There are 286 amphibians that start with the letter O, from Occidozyga baluensis to Ozotriton wakabayashii. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the amphibians belongs to
Habitat: The places or type of weather the amphibians lives in
Scientific name: The designation that scientists use to catalog the species
Name: Occidozyga baluensis
Order: Frogs (Anura)
Habitat: Aquatic habitats in Borneo
Scientific name: Occidozyga baluensis
Name: Occidozyga celebensis
Order: Frogs (Anura)
Habitat: Aquatic habitats in Sulawesi, Indonesia
Scientific name: Occidozyga celebensis
Name: Occidozyga diminutiva
Order: Frogs (Anura)
Habitat: Aquatic habitats in Southeast Asia
Scientific name: Occidozyga diminutiva
Name: Occidozyga floresiana
Order: Frogs (Anura)
Habitat: Aquatic habitats in Flores, Indonesia
Scientific name: Occidozyga floresiana
Name: Occidozyga laevis
Order: Frogs (Anura)
Habitat: Aquatic habitats in Southeast Asia and Philippines
Scientific name: Occidozyga laevis
Name: Occidozyga lima
Order: Frogs (Anura)
Habitat: Aquatic habitats in Southeast Asia
Scientific name: Occidozyga lima
Name: Occidozyga martensii
Order: Frogs (Anura)
Habitat: Aquatic habitats in Southeast Asia
Scientific name: Occidozyga martensii
Name: Occidozyga semipalmata
Order: Frogs (Anura)
Habitat: Aquatic habitats in Java, Indonesia
Scientific name: Occidozyga semipalmata
Name: Occidozyga sumatrana
Order: Frogs (Anura)
Habitat: Aquatic habitats in Indonesia and Malaysia
Scientific name: Occidozyga sumatrana
Name: Occidozyga vittata
Order: Frogs (Anura)
Habitat: Aquatic habitats in Java, Indonesia
Scientific name: Occidozyga vittata
Name: Ochthomantis boulengeri
Order: Frogs (Anura)
Habitat: Forests in Madagascar
Scientific name: Ochthomantis boulengeri
Name: Ochthomantis femoralis
Order: Frogs (Anura)
Habitat: Rainforests in South America
Scientific name: Ochthomantis femoralis
Name: Ochthomantis guentheri
Order: Frogs (Anura)
Habitat: Forests in Madagascar
Scientific name: Ochthomantis guentheri
Name: Ochthomantis majori
Order: Frogs (Anura)
Habitat: Forests in Madagascar
Scientific name: Ochthomantis majori
Name: Ochthomantis mandraka
Order: Frogs (Anura)
Habitat: Forests in Madagascar
Scientific name: Ochthomantis mandraka
Name: Odontobatrachus arndti
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Guinea
Scientific name: Odontobatrachus arndti
Name: Odontobatrachus fouta
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Guinea
Scientific name: Odontobatrachus fouta
Name: Odontobatrachus natator
Order: Frogs (Anura)
Habitat: Fast-flowing streams in West Africa
Scientific name: Odontobatrachus natator
Name: Odontobatrachus smithi
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Sierra Leone
Scientific name: Odontobatrachus smithi
Name: Odontobatrachus ziama
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Guinea
Scientific name: Odontobatrachus ziama
Name: Odontophrynus achalensis
Order: Frogs (Anura)
Habitat: Mountain grasslands in Argentina
Scientific name: Odontophrynus achalensis
Name: Odontophrynus americanus
Order: Frogs (Anura)
Habitat: Grasslands and savannas in South America
Scientific name: Odontophrynus americanus
Name: Odontophrynus barrioi
Order: Frogs (Anura)
Habitat: Grasslands in Argentina
Scientific name: Odontophrynus barrioi
Name: Odontophrynus carvalhoi
Order: Frogs (Anura)
Habitat: Dry forests in Brazil
Scientific name: Odontophrynus carvalhoi
Name: Odontophrynus cordobae
Order: Frogs (Anura)
Habitat: Grasslands in Argentina
Scientific name: Odontophrynus cordobae
Name: Odontophrynus cultripes
Order: Frogs (Anura)
Habitat: Grasslands and savannas in Brazil and Argentina
Scientific name: Odontophrynus cultripes
Name: Odontophrynus lavillai
Order: Frogs (Anura)
Habitat: Grasslands in Argentina
Scientific name: Odontophrynus lavillai
Name: Odontophrynus moratoi
Order: Frogs (Anura)
Habitat: Cerrado vegetation in Brazil
Scientific name: Odontophrynus moratoi
Name: Odontophrynus occidentalis
Order: Frogs (Anura)
Habitat: Arid and semi-arid regions in Argentina and Chile
Scientific name: Odontophrynus occidentalis
Name: Odontophrynus salvatori
Order: Frogs (Anura)
Habitat: Grasslands in Argentina
Scientific name: Odontophrynus salvatori
Name: Odorrana amamiensis
Order: Frogs (Anura)
Habitat: Streams in Amami Island, Japan
Scientific name: Odorrana amamiensis
Name: Odorrana andersonii
Order: Frogs (Anura)
Habitat: Streams and montane forests in China, Myanmar, Thailand, and Vietnam
Scientific name: Odorrana andersonii
Name: Odorrana aureola
Order: Frogs (Anura)
Habitat: Streams in montane forests in China and Vietnam
Scientific name: Odorrana aureola
Name: Odorrana banaorum
Order: Frogs (Anura)
Habitat: Streams in Vietnam
Scientific name: Odorrana banaorum
Name: Odorrana bolavensis
Order: Frogs (Anura)
Habitat: Streams in Laos
Scientific name: Odorrana bolavensis
Name: Odorrana chapaensis
Order: Frogs (Anura)
Habitat: Streams in montane forests in Vietnam and China
Scientific name: Odorrana chapaensis
Name: Odorrana chloronota
Order: Frogs (Anura)
Habitat: Streams in Southeast Asia
Scientific name: Odorrana chloronota
Name: Odorrana exiliversabilis
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana exiliversabilis
Name: Odorrana grahami
Order: Frogs (Anura)
Habitat: Mountain streams in southern China and northern Vietnam
Scientific name: Odorrana grahami
Name: Odorrana graminea
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana graminea
Name: Odorrana hainanensis
Order: Frogs (Anura)
Habitat: Streams in Hainan Island, China
Scientific name: Odorrana hainanensis
Name: Odorrana hosii
Order: Frogs (Anura)
Habitat: Streams in Southeast Asia
Scientific name: Odorrana hosii
Name: Odorrana ishikawae
Order: Frogs (Anura)
Habitat: Streams in Ryukyu Islands, Japan
Scientific name: Odorrana ishikawae
Name: Odorrana junlianensis
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana junlianensis
Name: Odorrana kuangwuensis
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana kuangwuensis
Name: Odorrana leporipes
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana leporipes
Name: Odorrana livida
Order: Frogs (Anura)
Habitat: Subtropical or tropical moist lowland forests in China and Vietnam
Scientific name: Odorrana livida
Name: Odorrana margaretae
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana margaretae
Name: Odorrana monjerai
Order: Frogs (Anura)
Habitat: Streams in Malaysia
Scientific name: Odorrana monjerai
Name: Odorrana morafkai
Order: Frogs (Anura)
Habitat: Streams in Southeast Asia
Scientific name: Odorrana morafkai
Name: Odorrana narina
Order: Frogs (Anura)
Habitat: Streams in Japan
Scientific name: Odorrana narina
Name: Odorrana nasica
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana nasica
Name: Odorrana orba
Order: Frogs (Anura)
Habitat: Streams in Southeast Asia
Scientific name: Odorrana orba
Name: Odorrana schmackeri
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Odorrana schmackeri
Name: Odorrana sinica
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana sinica
Name: Odorrana splendida
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana splendida
Name: Odorrana supranarina
Order: Frogs (Anura)
Habitat: Streams in Ryukyu Islands, Japan
Scientific name: Odorrana supranarina
Name: Odorrana tiannanensis
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana tiannanensis
Name: Odorrana tormota
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Huangshan, China
Scientific name: Odorrana tormota
Name: Odorrana utsunomiyaorum
Order: Frogs (Anura)
Habitat: Streams in Japan
Scientific name: Odorrana utsunomiyaorum
Name: Odorrana versabilis
Order: Frogs (Anura)
Habitat: Streams in montane forests in southern China and northern Vietnam
Scientific name: Odorrana versabilis
Name: Odorrana yentuensis
Order: Frogs (Anura)
Habitat: Streams in Vietnam
Scientific name: Odorrana yentuensis
Name: Odorrana zhaoi
Order: Frogs (Anura)
Habitat: Streams in China
Scientific name: Odorrana zhaoi
Name: Oedipina alfaroi
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina alfaroi
Name: Oedipina altura
Order: Salamanders (Caudata)
Habitat: Tropical montane forests in Costa Rica
Scientific name: Oedipina altura
Name: Oedipina berlini
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina berlini
Name: Oedipina capitalina
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina capitalina
Name: Oedipina carablanca
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina carablanca
Name: Oedipina chortiorum
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina chortiorum
Name: Oedipina collaris
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica and Panama
Scientific name: Oedipina collaris
Name: Oedipina complex
Order: Salamanders (Caudata)
Habitat: Tropical forests in Central America
Scientific name: Oedipina complex
Name: Oedipina cyclocauda
Order: Salamanders (Caudata)
Habitat: Tropical forests from Honduras to Panama
Scientific name: Oedipina cyclocauda
Name: Oedipina elongata
Order: Salamanders (Caudata)
Habitat: Tropical forests in Central America
Scientific name: Oedipina elongata
Name: Oedipina fortunensis
Order: Salamanders (Caudata)
Habitat: Tropical forests in Panama
Scientific name: Oedipina fortunensis
Name: Oedipina gephyra
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina gephyra
Name: Oedipina gracilis
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina gracilis
Name: Oedipina grandis
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina grandis
Name: Oedipina ignea
Order: Salamanders (Caudata)
Habitat: Tropical forests in Guatemala
Scientific name: Oedipina ignea
Name: Oedipina kasios
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina kasios
Name: Oedipina maritima
Order: Salamanders (Caudata)
Habitat: Coastal forests in Costa Rica
Scientific name: Oedipina maritima
Name: Oedipina motaguae
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras and Guatemala
Scientific name: Oedipina motaguae
Name: Oedipina nica
Order: Salamanders (Caudata)
Habitat: Tropical forests in Nicaragua
Scientific name: Oedipina nica
Name: Oedipina pacificensis
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina pacificensis
Name: Oedipina parvipes
Order: Salamanders (Caudata)
Habitat: Tropical forests in Central America
Scientific name: Oedipina parvipes
Name: Oedipina poelzi
Order: Salamanders (Caudata)
Habitat: Tropical montane forests in Costa Rica
Scientific name: Oedipina poelzi
Name: Oedipina pseudouniformis
Order: Salamanders (Caudata)
Habitat: Montane forests in Costa Rica and Panama
Scientific name: Oedipina pseudouniformis
Name: Oedipina quadra
Order: Salamanders (Caudata)
Habitat: Tropical forests in Nicaragua
Scientific name: Oedipina quadra
Name: Oedipina salvadorensis
Order: Salamanders (Caudata)
Habitat: Tropical forests in El Salvador
Scientific name: Oedipina salvadorensis
Name: Oedipina savagei
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina savagei
Name: Oedipina stenopodia
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina stenopodia
Name: Oedipina stuarti
Order: Salamanders (Caudata)
Habitat: Tropical forests in Guatemala
Scientific name: Oedipina stuarti
Name: Oedipina taylori
Order: Salamanders (Caudata)
Habitat: Tropical forests in Costa Rica
Scientific name: Oedipina taylori
Name: Oedipina tomasi
Order: Salamanders (Caudata)
Habitat: Tropical forests in Honduras
Scientific name: Oedipina tomasi
Name: Oedipina tzutujilorum
Order: Salamanders (Caudata)
Habitat: Tropical forests in Guatemala
Scientific name: Oedipina tzutujilorum
Name: Oedipina uniformis
Order: Salamanders (Caudata)
Habitat: Moist forests in Costa Rica and Panama
Scientific name: Oedipina uniformis
Name: Oedipus
Order: Salamanders (Caudata)
Habitat: Forests in Mexico and Central America
Scientific name: Oedipus sp.
Name: Oligodon arnensis
Order: Frogs (Anura)
Habitat: Forests in Southeast Asia
Scientific name: Oligodon arnensis
Name: Ololygon agilis
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon agilis
Name: Ololygon albicans
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon albicans
Name: Ololygon alcatraz
Order: Frogs (Anura)
Habitat: Alcatraz Island in Brazil
Scientific name: Ololygon alcatraz
Name: Ololygon angrensis
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon angrensis
Name: Ololygon arduous
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon arduous
Name: Ololygon argyreornata
Order: Frogs (Anura)
Habitat: Atlantic forests in eastern Brazil
Scientific name: Ololygon argyreornata
Name: Ololygon aromothyella
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil and Argentina
Scientific name: Ololygon aromothyella
Name: Ololygon belloni
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon belloni
Name: Ololygon berthae
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon berthae
Name: Ololygon brieni
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon brieni
Name: Ololygon caldarum
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon caldarum
Name: Ololygon canastrensis
Order: Frogs (Anura)
Habitat: Atlantic forests and highlands in Brazil
Scientific name: Ololygon canastrensis
Name: Ololygon carnevallii
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon carnevallii
Name: Ololygon catharinae
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon catharinae
Name: Ololygon centralis
Order: Frogs (Anura)
Habitat: Cerrado biome in Brazil
Scientific name: Ololygon centralis
Name: Ololygon cosenzai
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon cosenzai
Name: Ololygon heyeri
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon heyeri
Name: Ololygon hiemalis
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon hiemalis
Name: Ololygon humilis
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon humilis
Name: Ololygon jureia
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon jureia
Name: Ololygon kautskyi
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon kautskyi
Name: Ololygon littorea
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon littorea
Name: Ololygon longilinea
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon longilinea
Name: Ololygon luizotavioi
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon luizotavioi
Name: Ololygon machadoi
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon machadoi
Name: Ololygon melloi
Order: Frogs (Anura)
Habitat: Atlantic forests in southeastern Brazil
Scientific name: Ololygon melloi
Name: Ololygon obtriangulata
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon obtriangulata
Name: Ololygon peixotoi
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon peixotoi
Name: Ololygon perpusilla
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon perpusilla
Name: Ololygon ranki
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon ranki
Name: Ololygon rizibilis
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon rizibilis
Name: Ololygon skaios
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon skaios
Name: Ololygon strigilata
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon strigilata
Name: Ololygon tripui
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon tripui
Name: Ololygon tupinamba
Order: Frogs (Anura)
Habitat: Atlantic forests in Brazil
Scientific name: Ololygon tupinamba
Name: Ombrana sikimensis
Order: Frogs (Anura)
Habitat: Streams in Northeast India
Scientific name: Ombrana sikimensis
Name: Onychodactylus fischeri
Order: Salamanders (Caudata)
Habitat: Mountain streams in Far Eastern Russia and northeastern China
Scientific name: Onychodactylus fischeri
Name: Onychodactylus intermedius
Order: Salamanders (Caudata)
Habitat: Mountain streams in southwestern Honshu, Japan
Scientific name: Onychodactylus intermedius
Name: Onychodactylus japonicus
Order: Salamanders (Caudata)
Habitat: Mountain streams in Japan
Scientific name: Onychodactylus japonicus
Name: Onychodactylus japonicus complex
Order: Salamanders (Caudata)
Habitat: Mountain streams in Japan
Scientific name: Onychodactylus japonicus complex
Name: Onychodactylus kinneburi
Order: Salamanders (Caudata)
Habitat: Mountain streams in Japan
Scientific name: Onychodactylus kinneburi
Name: Onychodactylus koreanus
Order: Salamanders (Caudata)
Habitat: Mountain streams in Korea
Scientific name: Onychodactylus koreanus
Name: Onychodactylus nipponoborealis
Order: Salamanders (Caudata)
Habitat: Mountain streams in northern Honshu, Japan
Scientific name: Onychodactylus nipponoborealis
Name: Onychodactylus tsukubaensis
Order: Salamanders (Caudata)
Habitat: Mountain streams on Mount Tsukuba, Japan
Scientific name: Onychodactylus tsukubaensis
Name: Onychodactylus zhangyapingi
Order: Salamanders (Caudata)
Habitat: Mountain streams in China
Scientific name: Onychodactylus zhangyapingi
Name: Onychodactylus zhaoermii
Order: Salamanders (Caudata)
Habitat: Mountain streams in China
Scientific name: Onychodactylus zhaoermii
Name: Oophaga granulifera
Order: Frogs (Anura)
Habitat: Tropical rainforests in Costa Rica and Panama
Scientific name: Oophaga granulifera
Name: Oophaga histrionica
Order: Frogs (Anura)
Habitat: Tropical rainforests in Colombia
Scientific name: Oophaga histrionica
Name: Oophaga pumilio
Order: Frogs (Anura)
Habitat: Tropical rainforests in Central America
Scientific name: Oophaga pumilio
Name: Oophaga speciosa
Order: Frogs (Anura)
Habitat: Tropical rainforests in Colombia
Scientific name: Oophaga speciosa
Name: Oophaga sylvatica
Order: Frogs (Anura)
Habitat: Tropical rainforests in Ecuador and Colombia
Scientific name: Oophaga sylvatica
Name: Oophaga vicentei
Order: Frogs (Anura)
Habitat: Tropical rainforests in Panama
Scientific name: Oophaga vicentei
Name: Ophryophryne elfina
Order: Frogs (Anura)
Habitat: Montane forests in Vietnam
Scientific name: Ophryophryne elfina
Name: Ophryophryne gerti
Order: Frogs (Anura)
Habitat: Montane forests in Vietnam
Scientific name: Ophryophryne gerti
Name: Ophryophryne hansi
Order: Frogs (Anura)
Habitat: Montane forests in Vietnam
Scientific name: Ophryophryne hansi
Name: Ophryophryne microstoma
Order: Frogs (Anura)
Habitat: Montane forests in Southeast Asia
Scientific name: Ophryophryne microstoma
Name: Ophryophryne pachyproctus
Order: Frogs (Anura)
Habitat: Montane forests in China and Vietnam
Scientific name: Ophryophryne pachyproctus
Name: Ophryophryne synoria
Order: Frogs (Anura)
Habitat: Montane forests in Cambodia and Vietnam
Scientific name: Ophryophryne synoria
Name: Opisthothylax immaculatus
Order: Frogs (Anura)
Habitat: Lowland rainforests in central Africa
Scientific name: Opisthothylax immaculatus
Name: Oplurus cyclurus
Order: Frogs (Anura)
Habitat: Tropical rainforests in Madagascar
Scientific name: Oplurus cyclurus
Name: Oreobates amarakaeri
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Oreobates amarakaeri
Name: Oreobates choristolemma
Order: Frogs (Anura)
Habitat: Tropical montane forests in Peru and Bolivia
Scientific name: Oreobates choristolemma
Name: Oreobates cruralis
Order: Frogs (Anura)
Habitat: Tropical forests in Bolivia and Peru
Scientific name: Oreobates cruralis
Name: Oreobates discoidalis
Order: Frogs (Anura)
Habitat: Tropical forests in Bolivia and Argentina
Scientific name: Oreobates discoidalis
Name: Oreobates gemcare
Order: Frogs (Anura)
Habitat: Tropical montane forests in Peru
Scientific name: Oreobates gemcare
Name: Oreobates granulosus
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Oreobates granulosus
Name: Oreobates heterodactylus
Order: Frogs (Anura)
Habitat: Tropical montane forests in Bolivia
Scientific name: Oreobates heterodactylus
Name: Oreobates lehri
Order: Frogs (Anura)
Habitat: Tropical montane forests in Peru
Scientific name: Oreobates lehri
Name: Oreobates machiguenga
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Oreobates machiguenga
Name: Oreobates madidi
Order: Frogs (Anura)
Habitat: Tropical montane forests in Bolivia
Scientific name: Oreobates madidi
Name: Oreobates pereger
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Oreobates pereger
Name: Oreobates quixensis
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Oreobates quixensis
Name: Oreobates sanctaecrucis
Order: Frogs (Anura)
Habitat: Tropical forests in Bolivia
Scientific name: Oreobates sanctaecrucis
Name: Oreobates sankuweensis
Order: Frogs (Anura)
Habitat: Tropical forests in Bolivia
Scientific name: Oreobates sankuweensis
Name: Oreolalax chuanbeiensis
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax chuanbeiensis
Name: Oreolalax jingdongensis
Order: Frogs (Anura)
Habitat: Streams in montane forests in Yunnan, China
Scientific name: Oreolalax jingdongensis
Name: Oreolalax liangbeiensis
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax liangbeiensis
Name: Oreolalax major
Order: Frogs (Anura)
Habitat: Mountain streams in China
Scientific name: Oreolalax major
Name: Oreolalax multipunctatus
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax multipunctatus
Name: Oreolalax nanjiangensis
Order: Frogs (Anura)
Habitat: Mountain streams in China
Scientific name: Oreolalax nanjiangensis
Name: Oreolalax omeimontis
Order: Frogs (Anura)
Habitat: Streams in montane forests on Mount Emei, China
Scientific name: Oreolalax omeimontis
Name: Oreolalax pingii
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax pingii
Name: Oreolalax rhodostigmatus
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax rhodostigmatus
Name: Oreolalax rugosus
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax rugosus
Name: Oreolalax schmidti
Order: Frogs (Anura)
Habitat: Streams in montane forests in China
Scientific name: Oreolalax schmidti
Name: Oreolalax sterlingae
Order: Frogs (Anura)
Habitat: Mountain streams in China
Scientific name: Oreolalax sterlingae
Name: Oreolalax weigoldi
Order: Frogs (Anura)
Habitat: Mountain streams in China
Scientific name: Oreolalax weigoldi
Name: Oreolalax xiangchengensis
Order: Frogs (Anura)
Habitat: Mountain streams in China
Scientific name: Oreolalax xiangchengensis
Name: Oreopasites
Order: Frogs (Anura)
Habitat: Andean highlands in South America
Scientific name: Oreopasites sp.
Name: Oreophryne albopunctata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne albopunctata
Name: Oreophryne anthonyi
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne anthonyi
Name: Oreophryne anulata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne anulata
Name: Oreophryne asplenicola
Order: Frogs (Anura)
Habitat: Montane forests in New Guinea
Scientific name: Oreophryne asplenicola
Name: Oreophryne atrigularis
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne atrigularis
Name: Oreophryne biroi
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne biroi
Name: Oreophryne brevicrus
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne brevicrus
Name: Oreophryne brevirostris
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne brevirostris
Name: Oreophryne cameroni
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne cameroni
Name: Oreophryne celebensis
Order: Frogs (Anura)
Habitat: Forests in Sulawesi, Indonesia
Scientific name: Oreophryne celebensis
Name: Oreophryne clamata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne clamata
Name: Oreophryne crucifer
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne crucifer
Name: Oreophryne flava
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne flava
Name: Oreophryne frontifasciata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne frontifasciata
Name: Oreophryne furu
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne furu
Name: Oreophryne gagneorum
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne gagneorum
Name: Oreophryne geislerorum
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne geislerorum
Name: Oreophryne geminus
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne geminus
Name: Oreophryne graminis
Order: Frogs (Anura)
Habitat: Grasslands in New Guinea
Scientific name: Oreophryne graminis
Name: Oreophryne habbemensis
Order: Frogs (Anura)
Habitat: Forests in Mount Habbema, New Guinea
Scientific name: Oreophryne habbemensis
Name: Oreophryne hypsiops
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne hypsiops
Name: Oreophryne idenburgensis
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne idenburgensis
Name: Oreophryne inornata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne inornata
Name: Oreophryne insulana
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne insulana
Name: Oreophryne kampeni
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne kampeni
Name: Oreophryne kapisa
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne kapisa
Name: Oreophryne kumae
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne kumae
Name: Oreophryne loriae
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne loriae
Name: Oreophryne louisiadensis
Order: Frogs (Anura)
Habitat: Forests in Louisiade Archipelago, Papua New Guinea
Scientific name: Oreophryne louisiadensis
Name: Oreophryne matawan
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne matawan
Name: Oreophryne meliades
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne meliades
Name: Oreophryne mertoni
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne mertoni
Name: Oreophryne minuta
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne minuta
Name: Oreophryne moluccensis
Order: Frogs (Anura)
Habitat: Forests in Moluccas, Indonesia
Scientific name: Oreophryne moluccensis
Name: Oreophryne monticola
Order: Frogs (Anura)
Habitat: Montane forests in New Guinea
Scientific name: Oreophryne monticola
Name: Oreophryne notata
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne notata
Name: Oreophryne oviprotector
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne oviprotector
Name: Oreophryne parkeri
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne parkeri
Name: Oreophryne parkopanorum
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne parkopanorum
Name: Oreophryne philosylleptoris
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne philosylleptoris
Name: Oreophryne pseudasplenicola
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne pseudasplenicola
Name: Oreophryne roedeli
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne roedeli
Name: Oreophryne sibilans
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne sibilans
Name: Oreophryne terrestris
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne terrestris
Name: Oreophryne unicolor
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne unicolor
Name: Oreophryne variabilis
Order: Frogs (Anura)
Habitat: Forests in Philippines
Scientific name: Oreophryne variabilis
Name: Oreophryne waira
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne waira
Name: Oreophryne wapoga
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne wapoga
Name: Oreophryne zimmeri
Order: Frogs (Anura)
Habitat: Forests in New Guinea
Scientific name: Oreophryne zimmeri
Name: Oreophrynia quelchii
Order: Frogs (Anura)
Habitat: Montane regions in South America
Scientific name: Oreophrynia quelchii
Name: Oscaecilia bassleri
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in Peru
Scientific name: Oscaecilia bassleri
Name: Oscaecilia equatorialis
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in Ecuador
Scientific name: Oscaecilia equatorialis
Name: Oscaecilia hypereumeces
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in French Guiana
Scientific name: Oscaecilia hypereumeces
Name: Oscaecilia ochrocephala
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in Colombia and Panama
Scientific name: Oscaecilia ochrocephala
Name: Oscaecilia osae
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in Costa Rica
Scientific name: Oscaecilia osae
Name: Oscaecilia polyzona
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in South America
Scientific name: Oscaecilia polyzona
Name: Osornophryne angel
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Osornophryne angel
Name: Osornophryne antisana
Order: Frogs (Anura)
Habitat: Paramo habitats in Ecuador
Scientific name: Osornophryne antisana
Name: Osornophryne bufoniformis
Order: Frogs (Anura)
Habitat: Paramo habitats in Colombia and Ecuador
Scientific name: Osornophryne bufoniformis
Name: Osornophryne guacamayo
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Osornophryne guacamayo
Name: Osornophryne percrassa
Order: Frogs (Anura)
Habitat: Paramo habitats in Colombia
Scientific name: Osornophryne percrassa
Name: Osornophryne puruanta
Order: Frogs (Anura)
Habitat: Paramo habitats in Ecuador
Scientific name: Osornophryne puruanta
Name: Osornophryne simpsoni
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Osornophryne simpsoni
Name: Osornophryne sumacoensis
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Osornophryne sumacoensis
Name: Osornophryne talipes
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Osornophryne talipes
Name: Osteocephalus alboguttatus
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Osteocephalus alboguttatus
Name: Osteocephalus buckleyi
Order: Frogs (Anura)
Habitat: Tropical forests in western Amazon Basin
Scientific name: Osteocephalus buckleyi
Name: Osteocephalus cabrerai
Order: Frogs (Anura)
Habitat: Tropical forests in Colombia and Peru
Scientific name: Osteocephalus cabrerai
Name: Osteocephalus castaneicola
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Osteocephalus castaneicola
Name: Osteocephalus deridens
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador
Scientific name: Osteocephalus deridens
Name: Osteocephalus duellmani
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador
Scientific name: Osteocephalus duellmani
Name: Osteocephalus festae
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador and Peru
Scientific name: Osteocephalus festae
Name: Osteocephalus fuscifacies
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador
Scientific name: Osteocephalus fuscifacies
Name: Osteocephalus helenae
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Osteocephalus helenae
Name: Osteocephalus heyeri
Order: Frogs (Anura)
Habitat: Tropical forests in Brazil
Scientific name: Osteocephalus heyeri
Name: Osteocephalus leoniae
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Osteocephalus leoniae
Name: Osteocephalus leprieurii
Order: Frogs (Anura)
Habitat: Tropical forests in northern South America
Scientific name: Osteocephalus leprieurii
Name: Osteocephalus mimeticus
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Osteocephalus mimeticus
Name: Osteocephalus mutabor
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador
Scientific name: Osteocephalus mutabor
Name: Osteocephalus omega
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador
Scientific name: Osteocephalus omega
Name: Osteocephalus oophagus
Order: Frogs (Anura)
Habitat: Tropical forests in northern South America
Scientific name: Osteocephalus oophagus
Name: Osteocephalus planiceps
Order: Frogs (Anura)
Habitat: Tropical forests in Ecuador and Peru
Scientific name: Osteocephalus planiceps
Name: Osteocephalus subtilis
Order: Frogs (Anura)
Habitat: Tropical forests in Brazil
Scientific name: Osteocephalus subtilis
Name: Osteocephalus taurinus
Order: Frogs (Anura)
Habitat: Tropical rainforests in South America
Scientific name: Osteocephalus taurinus
Name: Osteocephalus tuberculatus
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Osteocephalus tuberculatus
Name: Osteocephalus verruciger
Order: Frogs (Anura)
Habitat: Tropical montane forests in Ecuador and Colombia
Scientific name: Osteocephalus verruciger
Name: Osteocephalus vilmae
Order: Frogs (Anura)
Habitat: Tropical forests in Peru
Scientific name: Osteocephalus vilmae
Name: Osteocephalus yasuni
Order: Frogs (Anura)
Habitat: Tropical lowland forests in Ecuador
Scientific name: Osteocephalus yasuni
Name: Osteopilus brunneus
Order: Frogs (Anura)
Habitat: Forests in Jamaica
Scientific name: Osteopilus brunneus
Name: Osteopilus crucialis
Order: Frogs (Anura)
Habitat: Forests in Jamaica
Scientific name: Osteopilus crucialis
Name: Osteopilus dominicensis
Order: Frogs (Anura)
Habitat: Forests in Hispaniola
Scientific name: Osteopilus dominicensis
Name: Osteopilus marianae
Order: Frogs (Anura)
Habitat: Forests in Jamaica
Scientific name: Osteopilus marianae
Name: Osteopilus pulchrilineatus
Order: Frogs (Anura)
Habitat: Forests in Hispaniola
Scientific name: Osteopilus pulchrilineatus
Name: Osteopilus septentrionalis
Order: Frogs (Anura)
Habitat: Various habitats in Cuba and introduced to Florida
Scientific name: Osteopilus septentrionalis
Name: Osteopilus vastus
Order: Frogs (Anura)
Habitat: Forests in Hispaniola
Scientific name: Osteopilus vastus
Name: Osteopilus wilderi
Order: Frogs (Anura)
Habitat: Forests in Jamaica
Scientific name: Osteopilus wilderi
Name: Otophryne pyburni
Order: Frogs (Anura)
Habitat: Tropical forests in Brazil, Colombia, and Venezuela
Scientific name: Otophryne pyburni
Name: Otophryne robusta
Order: Frogs (Anura)
Habitat: Tropical forests in Guyana and Venezuela
Scientific name: Otophryne robusta
Name: Otophryne steyermarki
Order: Frogs (Anura)
Habitat: Tropical forests in Venezuela
Scientific name: Otophryne steyermarki
Name: Ozotriton wakabayashii
Order: Salamanders (Caudata)
Habitat: Mountain streams in Japan
Scientific name: Ozotriton wakabayashii
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Occidozyga baluensis | Frogs (Anura) | Aquatic habitats in Borneo | Occidozyga baluensis |
| Occidozyga celebensis | Frogs (Anura) | Aquatic habitats in Sulawesi, Indonesia | Occidozyga celebensis |
| Occidozyga diminutiva | Frogs (Anura) | Aquatic habitats in Southeast Asia | Occidozyga diminutiva |
| Occidozyga floresiana | Frogs (Anura) | Aquatic habitats in Flores, Indonesia | Occidozyga floresiana |
| Occidozyga laevis | Frogs (Anura) | Aquatic habitats in Southeast Asia and Philippines | Occidozyga laevis |
| Occidozyga lima | Frogs (Anura) | Aquatic habitats in Southeast Asia | Occidozyga lima |
| Occidozyga martensii | Frogs (Anura) | Aquatic habitats in Southeast Asia | Occidozyga martensii |
| Occidozyga semipalmata | Frogs (Anura) | Aquatic habitats in Java, Indonesia | Occidozyga semipalmata |
| Occidozyga sumatrana | Frogs (Anura) | Aquatic habitats in Indonesia and Malaysia | Occidozyga sumatrana |
| Occidozyga vittata | Frogs (Anura) | Aquatic habitats in Java, Indonesia | Occidozyga vittata |
| Ochthomantis boulengeri | Frogs (Anura) | Forests in Madagascar | Ochthomantis boulengeri |
| Ochthomantis femoralis | Frogs (Anura) | Rainforests in South America | Ochthomantis femoralis |
| Ochthomantis guentheri | Frogs (Anura) | Forests in Madagascar | Ochthomantis guentheri |
| Ochthomantis majori | Frogs (Anura) | Forests in Madagascar | Ochthomantis majori |
| Ochthomantis mandraka | Frogs (Anura) | Forests in Madagascar | Ochthomantis mandraka |
| Odontobatrachus arndti | Frogs (Anura) | Fast-flowing streams in Guinea | Odontobatrachus arndti |
| Odontobatrachus fouta | Frogs (Anura) | Fast-flowing streams in Guinea | Odontobatrachus fouta |
| Odontobatrachus natator | Frogs (Anura) | Fast-flowing streams in West Africa | Odontobatrachus natator |
| Odontobatrachus smithi | Frogs (Anura) | Fast-flowing streams in Sierra Leone | Odontobatrachus smithi |
| Odontobatrachus ziama | Frogs (Anura) | Fast-flowing streams in Guinea | Odontobatrachus ziama |
| Odontophrynus achalensis | Frogs (Anura) | Mountain grasslands in Argentina | Odontophrynus achalensis |
| Odontophrynus americanus | Frogs (Anura) | Grasslands and savannas in South America | Odontophrynus americanus |
| Odontophrynus barrioi | Frogs (Anura) | Grasslands in Argentina | Odontophrynus barrioi |
| Odontophrynus carvalhoi | Frogs (Anura) | Dry forests in Brazil | Odontophrynus carvalhoi |
| Odontophrynus cordobae | Frogs (Anura) | Grasslands in Argentina | Odontophrynus cordobae |
| Odontophrynus cultripes | Frogs (Anura) | Grasslands and savannas in Brazil and Argentina | Odontophrynus cultripes |
| Odontophrynus lavillai | Frogs (Anura) | Grasslands in Argentina | Odontophrynus lavillai |
| Odontophrynus moratoi | Frogs (Anura) | Cerrado vegetation in Brazil | Odontophrynus moratoi |
| Odontophrynus occidentalis | Frogs (Anura) | Arid and semi-arid regions in Argentina and Chile | Odontophrynus occidentalis |
| Odontophrynus salvatori | Frogs (Anura) | Grasslands in Argentina | Odontophrynus salvatori |
| Odorrana amamiensis | Frogs (Anura) | Streams in Amami Island, Japan | Odorrana amamiensis |
| Odorrana andersonii | Frogs (Anura) | Streams and montane forests in China, Myanmar, Thailand, and Vietnam | Odorrana andersonii |
| Odorrana aureola | Frogs (Anura) | Streams in montane forests in China and Vietnam | Odorrana aureola |
| Odorrana banaorum | Frogs (Anura) | Streams in Vietnam | Odorrana banaorum |
| Odorrana bolavensis | Frogs (Anura) | Streams in Laos | Odorrana bolavensis |
| Odorrana chapaensis | Frogs (Anura) | Streams in montane forests in Vietnam and China | Odorrana chapaensis |
| Odorrana chloronota | Frogs (Anura) | Streams in Southeast Asia | Odorrana chloronota |
| Odorrana exiliversabilis | Frogs (Anura) | Streams in China | Odorrana exiliversabilis |
| Odorrana grahami | Frogs (Anura) | Mountain streams in southern China and northern Vietnam | Odorrana grahami |
| Odorrana graminea | Frogs (Anura) | Streams in China | Odorrana graminea |
| Odorrana hainanensis | Frogs (Anura) | Streams in Hainan Island, China | Odorrana hainanensis |
| Odorrana hosii | Frogs (Anura) | Streams in Southeast Asia | Odorrana hosii |
| Odorrana ishikawae | Frogs (Anura) | Streams in Ryukyu Islands, Japan | Odorrana ishikawae |
| Odorrana junlianensis | Frogs (Anura) | Streams in China | Odorrana junlianensis |
| Odorrana kuangwuensis | Frogs (Anura) | Streams in China | Odorrana kuangwuensis |
| Odorrana leporipes | Frogs (Anura) | Streams in China | Odorrana leporipes |
| Odorrana livida | Frogs (Anura) | Subtropical or tropical moist lowland forests in China and Vietnam | Odorrana livida |
| Odorrana margaretae | Frogs (Anura) | Streams in China | Odorrana margaretae |
| Odorrana monjerai | Frogs (Anura) | Streams in Malaysia | Odorrana monjerai |
| Odorrana morafkai | Frogs (Anura) | Streams in Southeast Asia | Odorrana morafkai |
| Odorrana narina | Frogs (Anura) | Streams in Japan | Odorrana narina |
| Odorrana nasica | Frogs (Anura) | Streams in China | Odorrana nasica |
| Odorrana orba | Frogs (Anura) | Streams in Southeast Asia | Odorrana orba |
| Odorrana schmackeri | Frogs (Anura) | Streams in montane forests in China | Odorrana schmackeri |
| Odorrana sinica | Frogs (Anura) | Streams in China | Odorrana sinica |
| Odorrana splendida | Frogs (Anura) | Streams in China | Odorrana splendida |
| Odorrana supranarina | Frogs (Anura) | Streams in Ryukyu Islands, Japan | Odorrana supranarina |
| Odorrana tiannanensis | Frogs (Anura) | Streams in China | Odorrana tiannanensis |
| Odorrana tormota | Frogs (Anura) | Fast-flowing streams in Huangshan, China | Odorrana tormota |
| Odorrana utsunomiyaorum | Frogs (Anura) | Streams in Japan | Odorrana utsunomiyaorum |
| Odorrana versabilis | Frogs (Anura) | Streams in montane forests in southern China and northern Vietnam | Odorrana versabilis |
| Odorrana yentuensis | Frogs (Anura) | Streams in Vietnam | Odorrana yentuensis |
| Odorrana zhaoi | Frogs (Anura) | Streams in China | Odorrana zhaoi |
| Oedipina alfaroi | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina alfaroi |
| Oedipina altura | Salamanders (Caudata) | Tropical montane forests in Costa Rica | Oedipina altura |
| Oedipina berlini | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina berlini |
| Oedipina capitalina | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina capitalina |
| Oedipina carablanca | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina carablanca |
| Oedipina chortiorum | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina chortiorum |
| Oedipina collaris | Salamanders (Caudata) | Tropical forests in Costa Rica and Panama | Oedipina collaris |
| Oedipina complex | Salamanders (Caudata) | Tropical forests in Central America | Oedipina complex |
| Oedipina cyclocauda | Salamanders (Caudata) | Tropical forests from Honduras to Panama | Oedipina cyclocauda |
| Oedipina elongata | Salamanders (Caudata) | Tropical forests in Central America | Oedipina elongata |
| Oedipina fortunensis | Salamanders (Caudata) | Tropical forests in Panama | Oedipina fortunensis |
| Oedipina gephyra | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina gephyra |
| Oedipina gracilis | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina gracilis |
| Oedipina grandis | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina grandis |
| Oedipina ignea | Salamanders (Caudata) | Tropical forests in Guatemala | Oedipina ignea |
| Oedipina kasios | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina kasios |
| Oedipina maritima | Salamanders (Caudata) | Coastal forests in Costa Rica | Oedipina maritima |
| Oedipina motaguae | Salamanders (Caudata) | Tropical forests in Honduras and Guatemala | Oedipina motaguae |
| Oedipina nica | Salamanders (Caudata) | Tropical forests in Nicaragua | Oedipina nica |
| Oedipina pacificensis | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina pacificensis |
| Oedipina parvipes | Salamanders (Caudata) | Tropical forests in Central America | Oedipina parvipes |
| Oedipina poelzi | Salamanders (Caudata) | Tropical montane forests in Costa Rica | Oedipina poelzi |
| Oedipina pseudouniformis | Salamanders (Caudata) | Montane forests in Costa Rica and Panama | Oedipina pseudouniformis |
| Oedipina quadra | Salamanders (Caudata) | Tropical forests in Nicaragua | Oedipina quadra |
| Oedipina salvadorensis | Salamanders (Caudata) | Tropical forests in El Salvador | Oedipina salvadorensis |
| Oedipina savagei | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina savagei |
| Oedipina stenopodia | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina stenopodia |
| Oedipina stuarti | Salamanders (Caudata) | Tropical forests in Guatemala | Oedipina stuarti |
| Oedipina taylori | Salamanders (Caudata) | Tropical forests in Costa Rica | Oedipina taylori |
| Oedipina tomasi | Salamanders (Caudata) | Tropical forests in Honduras | Oedipina tomasi |
| Oedipina tzutujilorum | Salamanders (Caudata) | Tropical forests in Guatemala | Oedipina tzutujilorum |
| Oedipina uniformis | Salamanders (Caudata) | Moist forests in Costa Rica and Panama | Oedipina uniformis |
| Oedipus | Salamanders (Caudata) | Forests in Mexico and Central America | Oedipus sp. |
| Oligodon arnensis | Frogs (Anura) | Forests in Southeast Asia | Oligodon arnensis |
| Ololygon agilis | Frogs (Anura) | Atlantic forests in Brazil | Ololygon agilis |
| Ololygon albicans | Frogs (Anura) | Atlantic forests in Brazil | Ololygon albicans |
| Ololygon alcatraz | Frogs (Anura) | Alcatraz Island in Brazil | Ololygon alcatraz |
| Ololygon angrensis | Frogs (Anura) | Atlantic forests in Brazil | Ololygon angrensis |
| Ololygon arduous | Frogs (Anura) | Atlantic forests in Brazil | Ololygon arduous |
| Ololygon argyreornata | Frogs (Anura) | Atlantic forests in eastern Brazil | Ololygon argyreornata |
| Ololygon aromothyella | Frogs (Anura) | Atlantic forests in Brazil and Argentina | Ololygon aromothyella |
| Ololygon belloni | Frogs (Anura) | Atlantic forests in Brazil | Ololygon belloni |
| Ololygon berthae | Frogs (Anura) | Atlantic forests in Brazil | Ololygon berthae |
| Ololygon brieni | Frogs (Anura) | Atlantic forests in Brazil | Ololygon brieni |
| Ololygon caldarum | Frogs (Anura) | Atlantic forests in Brazil | Ololygon caldarum |
| Ololygon canastrensis | Frogs (Anura) | Atlantic forests and highlands in Brazil | Ololygon canastrensis |
| Ololygon carnevallii | Frogs (Anura) | Atlantic forests in Brazil | Ololygon carnevallii |
| Ololygon catharinae | Frogs (Anura) | Atlantic forests in Brazil | Ololygon catharinae |
| Ololygon centralis | Frogs (Anura) | Cerrado biome in Brazil | Ololygon centralis |
| Ololygon cosenzai | Frogs (Anura) | Atlantic forests in Brazil | Ololygon cosenzai |
| Ololygon heyeri | Frogs (Anura) | Atlantic forests in Brazil | Ololygon heyeri |
| Ololygon hiemalis | Frogs (Anura) | Atlantic forests in Brazil | Ololygon hiemalis |
| Ololygon humilis | Frogs (Anura) | Atlantic forests in Brazil | Ololygon humilis |
| Ololygon jureia | Frogs (Anura) | Atlantic forests in Brazil | Ololygon jureia |
| Ololygon kautskyi | Frogs (Anura) | Atlantic forests in Brazil | Ololygon kautskyi |
| Ololygon littorea | Frogs (Anura) | Atlantic forests in Brazil | Ololygon littorea |
| Ololygon longilinea | Frogs (Anura) | Atlantic forests in Brazil | Ololygon longilinea |
| Ololygon luizotavioi | Frogs (Anura) | Atlantic forests in Brazil | Ololygon luizotavioi |
| Ololygon machadoi | Frogs (Anura) | Atlantic forests in Brazil | Ololygon machadoi |
| Ololygon melloi | Frogs (Anura) | Atlantic forests in southeastern Brazil | Ololygon melloi |
| Ololygon obtriangulata | Frogs (Anura) | Atlantic forests in Brazil | Ololygon obtriangulata |
| Ololygon peixotoi | Frogs (Anura) | Atlantic forests in Brazil | Ololygon peixotoi |
| Ololygon perpusilla | Frogs (Anura) | Atlantic forests in Brazil | Ololygon perpusilla |
| Ololygon ranki | Frogs (Anura) | Atlantic forests in Brazil | Ololygon ranki |
| Ololygon rizibilis | Frogs (Anura) | Atlantic forests in Brazil | Ololygon rizibilis |
| Ololygon skaios | Frogs (Anura) | Atlantic forests in Brazil | Ololygon skaios |
| Ololygon strigilata | Frogs (Anura) | Atlantic forests in Brazil | Ololygon strigilata |
| Ololygon tripui | Frogs (Anura) | Atlantic forests in Brazil | Ololygon tripui |
| Ololygon tupinamba | Frogs (Anura) | Atlantic forests in Brazil | Ololygon tupinamba |
| Ombrana sikimensis | Frogs (Anura) | Streams in Northeast India | Ombrana sikimensis |
| Onychodactylus fischeri | Salamanders (Caudata) | Mountain streams in Far Eastern Russia and northeastern China | Onychodactylus fischeri |
| Onychodactylus intermedius | Salamanders (Caudata) | Mountain streams in southwestern Honshu, Japan | Onychodactylus intermedius |
| Onychodactylus japonicus | Salamanders (Caudata) | Mountain streams in Japan | Onychodactylus japonicus |
| Onychodactylus japonicus complex | Salamanders (Caudata) | Mountain streams in Japan | Onychodactylus japonicus complex |
| Onychodactylus kinneburi | Salamanders (Caudata) | Mountain streams in Japan | Onychodactylus kinneburi |
| Onychodactylus koreanus | Salamanders (Caudata) | Mountain streams in Korea | Onychodactylus koreanus |
| Onychodactylus nipponoborealis | Salamanders (Caudata) | Mountain streams in northern Honshu, Japan | Onychodactylus nipponoborealis |
| Onychodactylus tsukubaensis | Salamanders (Caudata) | Mountain streams on Mount Tsukuba, Japan | Onychodactylus tsukubaensis |
| Onychodactylus zhangyapingi | Salamanders (Caudata) | Mountain streams in China | Onychodactylus zhangyapingi |
| Onychodactylus zhaoermii | Salamanders (Caudata) | Mountain streams in China | Onychodactylus zhaoermii |
| Oophaga granulifera | Frogs (Anura) | Tropical rainforests in Costa Rica and Panama | Oophaga granulifera |
| Oophaga histrionica | Frogs (Anura) | Tropical rainforests in Colombia | Oophaga histrionica |
| Oophaga pumilio | Frogs (Anura) | Tropical rainforests in Central America | Oophaga pumilio |
| Oophaga speciosa | Frogs (Anura) | Tropical rainforests in Colombia | Oophaga speciosa |
| Oophaga sylvatica | Frogs (Anura) | Tropical rainforests in Ecuador and Colombia | Oophaga sylvatica |
| Oophaga vicentei | Frogs (Anura) | Tropical rainforests in Panama | Oophaga vicentei |
| Ophryophryne elfina | Frogs (Anura) | Montane forests in Vietnam | Ophryophryne elfina |
| Ophryophryne gerti | Frogs (Anura) | Montane forests in Vietnam | Ophryophryne gerti |
| Ophryophryne hansi | Frogs (Anura) | Montane forests in Vietnam | Ophryophryne hansi |
| Ophryophryne microstoma | Frogs (Anura) | Montane forests in Southeast Asia | Ophryophryne microstoma |
| Ophryophryne pachyproctus | Frogs (Anura) | Montane forests in China and Vietnam | Ophryophryne pachyproctus |
| Ophryophryne synoria | Frogs (Anura) | Montane forests in Cambodia and Vietnam | Ophryophryne synoria |
| Opisthothylax immaculatus | Frogs (Anura) | Lowland rainforests in central Africa | Opisthothylax immaculatus |
| Oplurus cyclurus | Frogs (Anura) | Tropical rainforests in Madagascar | Oplurus cyclurus |
| Oreobates amarakaeri | Frogs (Anura) | Tropical forests in Peru | Oreobates amarakaeri |
| Oreobates choristolemma | Frogs (Anura) | Tropical montane forests in Peru and Bolivia | Oreobates choristolemma |
| Oreobates cruralis | Frogs (Anura) | Tropical forests in Bolivia and Peru | Oreobates cruralis |
| Oreobates discoidalis | Frogs (Anura) | Tropical forests in Bolivia and Argentina | Oreobates discoidalis |
| Oreobates gemcare | Frogs (Anura) | Tropical montane forests in Peru | Oreobates gemcare |
| Oreobates granulosus | Frogs (Anura) | Tropical forests in Peru | Oreobates granulosus |
| Oreobates heterodactylus | Frogs (Anura) | Tropical montane forests in Bolivia | Oreobates heterodactylus |
| Oreobates lehri | Frogs (Anura) | Tropical montane forests in Peru | Oreobates lehri |
| Oreobates machiguenga | Frogs (Anura) | Tropical forests in Peru | Oreobates machiguenga |
| Oreobates madidi | Frogs (Anura) | Tropical montane forests in Bolivia | Oreobates madidi |
| Oreobates pereger | Frogs (Anura) | Tropical forests in Peru | Oreobates pereger |
| Oreobates quixensis | Frogs (Anura) | Tropical forests in South America | Oreobates quixensis |
| Oreobates sanctaecrucis | Frogs (Anura) | Tropical forests in Bolivia | Oreobates sanctaecrucis |
| Oreobates sankuweensis | Frogs (Anura) | Tropical forests in Bolivia | Oreobates sankuweensis |
| Oreolalax chuanbeiensis | Frogs (Anura) | Streams in montane forests in China | Oreolalax chuanbeiensis |
| Oreolalax jingdongensis | Frogs (Anura) | Streams in montane forests in Yunnan, China | Oreolalax jingdongensis |
| Oreolalax liangbeiensis | Frogs (Anura) | Streams in montane forests in China | Oreolalax liangbeiensis |
| Oreolalax major | Frogs (Anura) | Mountain streams in China | Oreolalax major |
| Oreolalax multipunctatus | Frogs (Anura) | Streams in montane forests in China | Oreolalax multipunctatus |
| Oreolalax nanjiangensis | Frogs (Anura) | Mountain streams in China | Oreolalax nanjiangensis |
| Oreolalax omeimontis | Frogs (Anura) | Streams in montane forests on Mount Emei, China | Oreolalax omeimontis |
| Oreolalax pingii | Frogs (Anura) | Streams in montane forests in China | Oreolalax pingii |
| Oreolalax rhodostigmatus | Frogs (Anura) | Streams in montane forests in China | Oreolalax rhodostigmatus |
| Oreolalax rugosus | Frogs (Anura) | Streams in montane forests in China | Oreolalax rugosus |
| Oreolalax schmidti | Frogs (Anura) | Streams in montane forests in China | Oreolalax schmidti |
| Oreolalax sterlingae | Frogs (Anura) | Mountain streams in China | Oreolalax sterlingae |
| Oreolalax weigoldi | Frogs (Anura) | Mountain streams in China | Oreolalax weigoldi |
| Oreolalax xiangchengensis | Frogs (Anura) | Mountain streams in China | Oreolalax xiangchengensis |
| Oreopasites | Frogs (Anura) | Andean highlands in South America | Oreopasites sp. |
| Oreophryne albopunctata | Frogs (Anura) | Forests in New Guinea | Oreophryne albopunctata |
| Oreophryne anthonyi | Frogs (Anura) | Forests in New Guinea | Oreophryne anthonyi |
| Oreophryne anulata | Frogs (Anura) | Forests in New Guinea | Oreophryne anulata |
| Oreophryne asplenicola | Frogs (Anura) | Montane forests in New Guinea | Oreophryne asplenicola |
| Oreophryne atrigularis | Frogs (Anura) | Forests in New Guinea | Oreophryne atrigularis |
| Oreophryne biroi | Frogs (Anura) | Forests in New Guinea | Oreophryne biroi |
| Oreophryne brevicrus | Frogs (Anura) | Forests in New Guinea | Oreophryne brevicrus |
| Oreophryne brevirostris | Frogs (Anura) | Forests in New Guinea | Oreophryne brevirostris |
| Oreophryne cameroni | Frogs (Anura) | Forests in New Guinea | Oreophryne cameroni |
| Oreophryne celebensis | Frogs (Anura) | Forests in Sulawesi, Indonesia | Oreophryne celebensis |
| Oreophryne clamata | Frogs (Anura) | Forests in New Guinea | Oreophryne clamata |
| Oreophryne crucifer | Frogs (Anura) | Forests in New Guinea | Oreophryne crucifer |
| Oreophryne flava | Frogs (Anura) | Forests in New Guinea | Oreophryne flava |
| Oreophryne frontifasciata | Frogs (Anura) | Forests in New Guinea | Oreophryne frontifasciata |
| Oreophryne furu | Frogs (Anura) | Forests in New Guinea | Oreophryne furu |
| Oreophryne gagneorum | Frogs (Anura) | Forests in New Guinea | Oreophryne gagneorum |
| Oreophryne geislerorum | Frogs (Anura) | Forests in New Guinea | Oreophryne geislerorum |
| Oreophryne geminus | Frogs (Anura) | Forests in New Guinea | Oreophryne geminus |
| Oreophryne graminis | Frogs (Anura) | Grasslands in New Guinea | Oreophryne graminis |
| Oreophryne habbemensis | Frogs (Anura) | Forests in Mount Habbema, New Guinea | Oreophryne habbemensis |
| Oreophryne hypsiops | Frogs (Anura) | Forests in New Guinea | Oreophryne hypsiops |
| Oreophryne idenburgensis | Frogs (Anura) | Forests in New Guinea | Oreophryne idenburgensis |
| Oreophryne inornata | Frogs (Anura) | Forests in New Guinea | Oreophryne inornata |
| Oreophryne insulana | Frogs (Anura) | Forests in New Guinea | Oreophryne insulana |
| Oreophryne kampeni | Frogs (Anura) | Forests in New Guinea | Oreophryne kampeni |
| Oreophryne kapisa | Frogs (Anura) | Forests in New Guinea | Oreophryne kapisa |
| Oreophryne kumae | Frogs (Anura) | Forests in New Guinea | Oreophryne kumae |
| Oreophryne loriae | Frogs (Anura) | Forests in New Guinea | Oreophryne loriae |
| Oreophryne louisiadensis | Frogs (Anura) | Forests in Louisiade Archipelago, Papua New Guinea | Oreophryne louisiadensis |
| Oreophryne matawan | Frogs (Anura) | Forests in New Guinea | Oreophryne matawan |
| Oreophryne meliades | Frogs (Anura) | Forests in New Guinea | Oreophryne meliades |
| Oreophryne mertoni | Frogs (Anura) | Forests in New Guinea | Oreophryne mertoni |
| Oreophryne minuta | Frogs (Anura) | Forests in New Guinea | Oreophryne minuta |
| Oreophryne moluccensis | Frogs (Anura) | Forests in Moluccas, Indonesia | Oreophryne moluccensis |
| Oreophryne monticola | Frogs (Anura) | Montane forests in New Guinea | Oreophryne monticola |
| Oreophryne notata | Frogs (Anura) | Forests in New Guinea | Oreophryne notata |
| Oreophryne oviprotector | Frogs (Anura) | Forests in New Guinea | Oreophryne oviprotector |
| Oreophryne parkeri | Frogs (Anura) | Forests in New Guinea | Oreophryne parkeri |
| Oreophryne parkopanorum | Frogs (Anura) | Forests in New Guinea | Oreophryne parkopanorum |
| Oreophryne philosylleptoris | Frogs (Anura) | Forests in New Guinea | Oreophryne philosylleptoris |
| Oreophryne pseudasplenicola | Frogs (Anura) | Forests in New Guinea | Oreophryne pseudasplenicola |
| Oreophryne roedeli | Frogs (Anura) | Forests in New Guinea | Oreophryne roedeli |
| Oreophryne sibilans | Frogs (Anura) | Forests in New Guinea | Oreophryne sibilans |
| Oreophryne terrestris | Frogs (Anura) | Forests in New Guinea | Oreophryne terrestris |
| Oreophryne unicolor | Frogs (Anura) | Forests in New Guinea | Oreophryne unicolor |
| Oreophryne variabilis | Frogs (Anura) | Forests in Philippines | Oreophryne variabilis |
| Oreophryne waira | Frogs (Anura) | Forests in New Guinea | Oreophryne waira |
| Oreophryne wapoga | Frogs (Anura) | Forests in New Guinea | Oreophryne wapoga |
| Oreophryne zimmeri | Frogs (Anura) | Forests in New Guinea | Oreophryne zimmeri |
| Oreophrynia quelchii | Frogs (Anura) | Montane regions in South America | Oreophrynia quelchii |
| Oscaecilia bassleri | Caecilians (Gymnophiona) | Tropical forests in Peru | Oscaecilia bassleri |
| Oscaecilia equatorialis | Caecilians (Gymnophiona) | Tropical forests in Ecuador | Oscaecilia equatorialis |
| Oscaecilia hypereumeces | Caecilians (Gymnophiona) | Tropical forests in French Guiana | Oscaecilia hypereumeces |
| Oscaecilia ochrocephala | Caecilians (Gymnophiona) | Tropical forests in Colombia and Panama | Oscaecilia ochrocephala |
| Oscaecilia osae | Caecilians (Gymnophiona) | Tropical forests in Costa Rica | Oscaecilia osae |
| Oscaecilia polyzona | Caecilians (Gymnophiona) | Tropical forests in South America | Oscaecilia polyzona |
| Osornophryne angel | Frogs (Anura) | Montane forests in Ecuador | Osornophryne angel |
| Osornophryne antisana | Frogs (Anura) | Paramo habitats in Ecuador | Osornophryne antisana |
| Osornophryne bufoniformis | Frogs (Anura) | Paramo habitats in Colombia and Ecuador | Osornophryne bufoniformis |
| Osornophryne guacamayo | Frogs (Anura) | Montane forests in Ecuador | Osornophryne guacamayo |
| Osornophryne percrassa | Frogs (Anura) | Paramo habitats in Colombia | Osornophryne percrassa |
| Osornophryne puruanta | Frogs (Anura) | Paramo habitats in Ecuador | Osornophryne puruanta |
| Osornophryne simpsoni | Frogs (Anura) | Montane forests in Ecuador | Osornophryne simpsoni |
| Osornophryne sumacoensis | Frogs (Anura) | Montane forests in Ecuador | Osornophryne sumacoensis |
| Osornophryne talipes | Frogs (Anura) | Montane forests in Ecuador | Osornophryne talipes |
| Osteocephalus alboguttatus | Frogs (Anura) | Tropical forests in South America | Osteocephalus alboguttatus |
| Osteocephalus buckleyi | Frogs (Anura) | Tropical forests in western Amazon Basin | Osteocephalus buckleyi |
| Osteocephalus cabrerai | Frogs (Anura) | Tropical forests in Colombia and Peru | Osteocephalus cabrerai |
| Osteocephalus castaneicola | Frogs (Anura) | Tropical forests in South America | Osteocephalus castaneicola |
| Osteocephalus deridens | Frogs (Anura) | Tropical forests in Ecuador | Osteocephalus deridens |
| Osteocephalus duellmani | Frogs (Anura) | Tropical forests in Ecuador | Osteocephalus duellmani |
| Osteocephalus festae | Frogs (Anura) | Tropical forests in Ecuador and Peru | Osteocephalus festae |
| Osteocephalus fuscifacies | Frogs (Anura) | Tropical forests in Ecuador | Osteocephalus fuscifacies |
| Osteocephalus helenae | Frogs (Anura) | Tropical forests in South America | Osteocephalus helenae |
| Osteocephalus heyeri | Frogs (Anura) | Tropical forests in Brazil | Osteocephalus heyeri |
| Osteocephalus leoniae | Frogs (Anura) | Tropical forests in Peru | Osteocephalus leoniae |
| Osteocephalus leprieurii | Frogs (Anura) | Tropical forests in northern South America | Osteocephalus leprieurii |
| Osteocephalus mimeticus | Frogs (Anura) | Tropical forests in South America | Osteocephalus mimeticus |
| Osteocephalus mutabor | Frogs (Anura) | Tropical forests in Ecuador | Osteocephalus mutabor |
| Osteocephalus omega | Frogs (Anura) | Tropical forests in Ecuador | Osteocephalus omega |
| Osteocephalus oophagus | Frogs (Anura) | Tropical forests in northern South America | Osteocephalus oophagus |
| Osteocephalus planiceps | Frogs (Anura) | Tropical forests in Ecuador and Peru | Osteocephalus planiceps |
| Osteocephalus subtilis | Frogs (Anura) | Tropical forests in Brazil | Osteocephalus subtilis |
| Osteocephalus taurinus | Frogs (Anura) | Tropical rainforests in South America | Osteocephalus taurinus |
| Osteocephalus tuberculatus | Frogs (Anura) | Tropical forests in South America | Osteocephalus tuberculatus |
| Osteocephalus verruciger | Frogs (Anura) | Tropical montane forests in Ecuador and Colombia | Osteocephalus verruciger |
| Osteocephalus vilmae | Frogs (Anura) | Tropical forests in Peru | Osteocephalus vilmae |
| Osteocephalus yasuni | Frogs (Anura) | Tropical lowland forests in Ecuador | Osteocephalus yasuni |
| Osteopilus brunneus | Frogs (Anura) | Forests in Jamaica | Osteopilus brunneus |
| Osteopilus crucialis | Frogs (Anura) | Forests in Jamaica | Osteopilus crucialis |
| Osteopilus dominicensis | Frogs (Anura) | Forests in Hispaniola | Osteopilus dominicensis |
| Osteopilus marianae | Frogs (Anura) | Forests in Jamaica | Osteopilus marianae |
| Osteopilus pulchrilineatus | Frogs (Anura) | Forests in Hispaniola | Osteopilus pulchrilineatus |
| Osteopilus septentrionalis | Frogs (Anura) | Various habitats in Cuba and introduced to Florida | Osteopilus septentrionalis |
| Osteopilus vastus | Frogs (Anura) | Forests in Hispaniola | Osteopilus vastus |
| Osteopilus wilderi | Frogs (Anura) | Forests in Jamaica | Osteopilus wilderi |
| Otophryne pyburni | Frogs (Anura) | Tropical forests in Brazil, Colombia, and Venezuela | Otophryne pyburni |
| Otophryne robusta | Frogs (Anura) | Tropical forests in Guyana and Venezuela | Otophryne robusta |
| Otophryne steyermarki | Frogs (Anura) | Tropical forests in Venezuela | Otophryne steyermarki |
| Ozotriton wakabayashii | Salamanders (Caudata) | Mountain streams in Japan | Ozotriton wakabayashii |