Names with citations in year 1991
- Class: Amphibia
- Order: Anura
- Family: Aromobatidae
- Family: Bombinatoridae
- Family: Bufonidae
- Family: Centrolenidae
- Genus: Ikakogi
- Subfamily: Centroleninae
- Genus: Centrolene
- Species: Centrolene altitudinale (Rivero, 1968)
- Synonym: Centrolene altitudinalis — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene ballux (Duellman and Burrowes, 1989)
- Synonym: Centrolene ballux — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene buckleyi (Boulenger, 1882)
- Synonym: Centrolene buckleyi — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene daidaleum (Ruiz-Carranza and Lynch, 1991)
- Synonym: Cochranella daidalea Ruiz-Carranza and Lynch, 1991
- Species: Centrolene gemmatum (Flores, 1985)
- Synonym: Centrolene gemmatum — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene heloderma (Duellman, 1981)
- Synonym: Centrolene helodermum — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene hesperium (Cadle and McDiarmid, 1990)
- Synonym: Centrolene hesperium — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene hybrida Ruiz-Carranza and Lynch, 1991
- Species: Centrolene lynchi (Duellman, 1980)
- Synonym: Centrolene lynchi — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene notostictum Ruiz-Carranza and Lynch, 1991
- Species: Centrolene peristictum (Lynch and Duellman, 1973)
- Synonym: Centrolene peristictum — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene pipilatum (Lynch and Duellman, 1973)
- Synonym: Centrolene pipilatum — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene sanchezi Ruiz-Carranza and Lynch, 1991
- Species: Centrolene savagei (Ruiz-Carranza and Lynch, 1991)
- Synonym: Cochranella savagei Ruiz-Carranza and Lynch, 1991
- Species: Centrolene scirtetes (Duellman and Burrowes, 1989)
- Synonym: Centrolene scirtetes — Ruiz-Carranza and Lynch, 1991
- Species: Centrolene solitaria (Ruiz-Carranza and Lynch, 1991)
- Synonym: Cochranella solitaria Ruiz-Carranza and Lynch, 1991
- Genus: Cochranella
- Genus: Espadarana
- Species: Espadarana andina (Rivero, 1968)
- Synonym: Centrolene andinum — Ruiz-Carranza and Lynch, 1991
- Synonym: Centrolene lentiginosum — Ruiz-Carranza and Lynch, 1991
- Species: Espadarana prosoblepon (Boettger, 1892)
- Synonym: Centrolene prosoblepon — Ruiz-Carranza and Lynch, 1991
- Synonym: Cochranella ocellifera — Ruiz-Carranza and Lynch, 1991
- Genus: Nymphargus
- Species: Nymphargus anomalus (Lynch and Duellman, 1973)
- Synonym: Cochranella anomala — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus bejaranoi (Cannatella, 1980)
- Synonym: Cochranella bejaranoi — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus cochranae (Goin, 1961)
- Synonym: Cochranella cochranae — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus grandisonae (Cochran and Goin, 1970)
- Synonym: Centrolene grandisonae — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus griffithsi (Goin, 1961)
- Synonym: Cochranella griffithsi — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus ignotus (Lynch, 1990)
- Synonym: Cochranella ignota — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus mariae (Duellman and Toft, 1979)
- Synonym: Cochranella mariae — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus megacheirus (Lynch and Duellman, 1973)
- Synonym: Cochranella megacheira — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus nephelophila (Ruiz-Carranza and Lynch, 1991)
- Synonym: Cochranella nephelophila Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus ocellatus (Boulenger, 1918)
- Synonym: Cochranella ocellata — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus oreonympha (Ruiz-Carranza and Lynch, 1991)
- Synonym: Cochranella oreonympha Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus phenax (Cannatella and Duellman, 1982)
- Synonym: Cochranella phenax — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus pluvialis (Cannatella and Duellman, 1982)
- Synonym: Cochranella pluvialis — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus prasinus (Duellman, 1981)
- Synonym: Cochranella prasina — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus puyoensis (Flores and McDiarmid, 1989)
- Synonym: Cochranella puyoensis — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus siren (Lynch and Duellman, 1973)
- Synonym: Cochranella siren — Ruiz-Carranza and Lynch, 1991
- Species: Nymphargus truebae (Duellman, 1976)
- Synonym: Cochranella truebae — Ruiz-Carranza and Lynch, 1991
- Genus: Rulyrana
- Genus: Sachatamia
- Genus: Teratohyla
- Genus: Vitreorana
- Species: Vitreorana antisthenesi (Goin, 1963)
- Synonym: Hyalinobatrachium antisthenesi — Ruiz-Carranza and Lynch, 1991
- Species: Vitreorana eurygnatha (Lutz, 1925)
- Synonym: Hyalinobatrachium eurygnathum — Ruiz-Carranza and Lynch, 1991
- Species: Vitreorana oyampiensis (Lescure, 1975)
- Synonym: Cochranella ametarsia — Ruiz-Carranza and Lynch, 1991
- Synonym: Cochranella oyampiensis — Ruiz-Carranza and Lynch, 1991
- Species: Vitreorana parvula (Boulenger, 1895)
- Synonym: Hyalinobatrachium parvulum — Ruiz-Carranza and Lynch, 1991
- Species: Vitreorana uranoscopa (Müller, 1924)
- Synonym: Hyalinobatrachium uranoscopum — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" acanthidiocephalum (Ruiz-Carranza and Lynch, 1989)
- Synonym: Centrolene acanthidiocephalum — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" audax (Lynch and Duellman, 1973)
- Synonym: Centrolene audax — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" azulae (Flores and McDiarmid, 1989)
- Synonym: Cochranella azulae — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" balionota (Duellman, 1981)
- Synonym: Cochranella balionota — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" medemi (Cochran and Goin, 1970)
- Synonym: Centrolene medemi — Ruiz-Carranza and Lynch, 1991
- Species: "Centrolene" petrophilum Ruiz-Carranza and Lynch, 1991
- Synonym: Centrolene petrophilum Ruiz-Carranza and Lynch, 1991
- Species: "Cochranella" euhystrix (Cadle and McDiarmid, 1990)
- Synonym: Cochranella euhystrix — Ruiz-Carranza and Lynch, 1991
- Species: "Cochranella" geijskesi (Goin, 1966)
- Synonym: Cochranella geijskesi — Ruiz-Carranza and Lynch, 1991
- Species: "Cochranella" megista (Rivero, 1985)
- Synonym: Cochranella megistra — Ruiz-Carranza and Lynch, 1991
- Species: "Cochranella" ramirezi Ruiz-Carranza and Lynch, 1991
- Synonym: Cochranella ramirezi Ruiz-Carranza and Lynch, 1991
- Subfamily: Hyalinobatrachiinae
- Genus: Celsiella
- Genus: Hyalinobatrachium Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium aureoguttatum (Barrera-Rodriguez and Ruiz-Carranza, 1989)
- Synonym: Hyalinobatrachium aureoguttatum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium bergeri (Cannatella, 1980)
- Synonym: Hyalinobatrachium bergeri — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium chirripoi (Taylor, 1958)
- Synonym: Hyalinobatrachium chirripoi — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium colymbiphyllum (Taylor, 1949)
- Synonym: Hyalinobatrachium colymbiphyllum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium duranti (Rivero, 1985)
- Synonym: Hyalinobatrachium duranti — Ruiz-Carranza and Lynch, 1991
- Synonym: Hyalinobatrachium loreocarinatum — Ruiz-Carranza and Lynch, 1991
- Synonym: Hyalinobatrachium ostracodermoides — Ruiz-Carranza and Lynch, 1991
- Synonym: Hyalinobatrachium pleurolineatum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium fleischmanni (Boettger, 1893)
- Synonym: Hyalinobatrachium fleischmanni — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium fragile (Rivero, 1985)
- Synonym: Hyalinobatrachium fragilis — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium munozorum (Lynch and Duellman, 1973)
- Synonym: Hyalinobatrachium munozorum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium orientale (Rivero, 1968)
- Synonym: Hyalinobatrachium orientalis — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium pallidum (Rivero, 1985)
- Synonym: Hyalinobatrachium pallidum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium pellucidum (Lynch and Duellman, 1973)
- Synonym: Hyalinobatrachium pellucidum — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium talamancae (Taylor, 1952)
- Synonym: Hyalinobatrachium talamancae — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium taylori (Goin, 1968)
- Synonym: Hyalinobatrachium taylori — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium valerioi (Dunn, 1931)
- Synonym: Hyalinobatrachium valerioi — Ruiz-Carranza and Lynch, 1991
- Species: Hyalinobatrachium vireovittatum (Starrett and Savage, 1973)
- Synonym: Hyalinobatrachium vireovittatum — Ruiz-Carranza and Lynch, 1991
- Family: Craugastoridae
- Subfamily: Holoadeninae
- Subfamily: Pristimantinae
- Genus: Pristimantis
- Species: Pristimantis alalocophus (Roa-Trujillo and Ruiz-Carranza, 1991)
- Synonym: Eleutherodactylus alalocophus Roa-Trujillo and Ruiz-Carranza, 1991
- Species: Pristimantis maculosus (Lynch, 1991)
- Synonym: Eleutherodactylus maculosus Lynch, 1991
- Species: Pristimantis petersi (Lynch and Duellman, 1980)
- Synonym: Eleutherodactylus petersorum Lynch, 1991
- Species: Pristimantis petrobardus (Duellman, 1991)
- Synonym: Eleutherodactylus petrobardus Duellman, 1991
- Species: Pristimantis scoloblepharus (Lynch, 1991)
- Synonym: Eleutherodactylus scoloblepharus Lynch, 1991
- Species: Pristimantis uranobates (Lynch, 1991)
- Synonym: Eleutherodactylus uranobates Lynch, 1991
- Species: Pristimantis zimmermanae (Heyer and Hardy, 1991)
- Synonym: Eleutherodactylus zimmermanae Heyer and Hardy, 1991
- Family: Dendrobatidae
- Species: "Colostethus" poecilonotus Rivero, 1991
- Synonym: Colostethus poecilonotus Rivero, 1991
- Subfamily: Colostethinae
- Subfamily: Dendrobatinae
- Subfamily: Hyloxalinae
- Genus: Hyloxalus
- Species: Hyloxalus betancuri (Rivero and Serna, 1991)
- Synonym: Colostethus betancuri Rivero and Serna, 1991
- Species: Hyloxalus cevallosi (Rivero, 1991)
- Synonym: Colostethus cevallosi Rivero, 1991
- Species: Hyloxalus faciopunctulatus (Rivero, 1991)
- Synonym: Colostethus faciopunctulatus Rivero, 1991
- Species: Hyloxalus fallax (Rivero, 1991)
- Synonym: Colostethus fallax Rivero, 1991
- Species: Hyloxalus idiomelus (Rivero, 1991)
- Synonym: Colostethus idiomelus Rivero, 1991
- Species: Hyloxalus maculosus (Rivero, 1991)
- Synonym: Colostethus maculosus Rivero, 1991
- Species: Hyloxalus marmoreoventris (Rivero, 1991)
- Synonym: Colostethus marmoreoventris Rivero, 1991
- Species: Hyloxalus mittermeieri (Rivero, 1991)
- Synonym: Colostethus mittermeieri Rivero, 1991
- Species: Hyloxalus nexipus (Frost, 1986)
- Synonym: Colostethus citreicola Rivero, 1991
- Species: Hyloxalus parcus (Rivero, 1991)
- Synonym: Colostethus parcus Rivero, 1991
- Species: Hyloxalus peculiaris (Rivero, 1991)
- Synonym: Colostethus peculiaris Rivero, 1991
- Species: Hyloxalus pulchellus (Jiménez de la Espada, 1875)
- Synonym: Colostethus tergogranularis Rivero, 1991
- Species: Hyloxalus pumilus (Rivero, 1991)
- Synonym: Colostethus pumilus Rivero, 1991
- Family: Dicroglossidae
- Family: Eleutherodactylidae
- Family: Hemiphractidae
- Family: Hylidae
- Subfamily: Hylinae
- Genus: Dendropsophus
- Genus: Hyla
- Genus: Hyloscirtus
- Genus: Hypsiboas
- Genus: Pseudacris
- Genus: Scinax
- Species: Scinax alter (Lutz, 1973)
- Synonym: Ololygon altera — Carvalho-e-Silva and Peixoto, 1991
- Species: Scinax angrensis Lutz, 1973
- Synonym: Hyla angrensis — Pombal and Gordo, 1991
- Species: Scinax cardosoi (Carvalho-e-Silva and Peixoto, 1991)
- Synonym: Ololygon cardosoi Carvalho-e-Silva and Peixoto, 1991
- Species: Scinax carnevallii (Caramaschi and Kisteumacher, 1989)
- Synonym: Hyla carnevallii — Pombal and Gordo, 1991
- Species: Scinax jureia (Pombal and Gordo, 1991)
- Synonym: Hyla jureia Pombal and Gordo, 1991
- Species: Scinax kautskyi (Carvalho-e-Silva and Peixoto, 1991)
- Synonym: Ololygon kautskyi Carvalho-e-Silva and Peixoto, 1991
- Species: Scinax littoralis (Pombal and Gordo, 1991)
- Synonym: Hyla littoralis Pombal and Gordo, 1991
- Species: Scinax pedromedinae (Henle, 1991)
- Synonym: Ololygon pedromedinae Henle, 1991
- Genus: Sphaenorhynchus
- Subfamily: Phyllomedusinae
- Family: Hyperoliidae
- Family: Leptodactylidae
- Family: Limnodynastidae
- Family: Mantellidae Laurent, 1946
- Synonym: Mantellidae — Blommers-Schlösser and Blanc, 1991
- Subfamily: Mantellinae Laurent, 1946
- Synonym: Mantellidae — Blommers-Schlösser and Blanc, 1991
- Genus: Gephyromantis
- Species: Gephyromantis decaryi Angel, 1930
- Synonym: Mantidactylus decaryi — Blommers-Schlösser and Blanc, 1991
- Species: Gephyromantis klemmeri Guibé, 1974
- Synonym: Mantidactylus klemmeri — Blommers-Schlösser and Blanc, 1991
- Species: Gephyromantis leucomaculatus (Guibé, 1975)
- Synonym: Boophis leucomaculatus — Blommers-Schlösser and Blanc, 1991
- Species: Gephyromantis spiniferus (Blommers-Schlösser and Blanc, 1991)
- Synonym: Mantidactylus spiniferus Blommers-Schlösser and Blanc, 1991
- Species: Gephyromantis webbi (Grandison, 1953)
- Synonym: Mantidactylus webbi — Blommers-Schlösser and Blanc, 1991
- Genus: Guibemantis
- Genus: Spinomantis
- Family: Megophryidae
- Family: Microhylidae
- Family: Pipidae
- Family: Ptychadenidae
- Family: Pyxicephalidae
- Family: Ranidae Rafinesque, 1814
- Synonym: Amolopsinae Yang, 1991
- Genus: Amolops
- Genus: Huia Yang, 1991
- Genus: Meristogenys Yang, 1991
- Species: Meristogenys amoropalamus (Matsui, 1986)
- Synonym: Meristogenys amoropalamus — Yang, 1991
- Species: Meristogenys jerboa (Günther, 1872)
- Synonym: Meristogenys jerboa — Yang, 1991
- Species: Meristogenys kinabaluensis (Inger, 1966)
- Synonym: Meristogenys kinabaluensis — Yang, 1991
- Species: Meristogenys macrophthalmus (Matsui, 1986)
- Synonym: Meristogenys macrophthalmus — Yang, 1991
- Species: Meristogenys orphnocnemis (Matsui, 1986)
- Synonym: Meristogenys orphnocnemis — Yang, 1991
- Species: Meristogenys phaeomerus (Inger and Gritis, 1983)
- Synonym: Meristogenys phaeomerus — Yang, 1991
- Species: Meristogenys poecilus (Inger and Gritis, 1983)
- Synonym: Meristogenys poecilus — Yang, 1991
- Species: Meristogenys whiteheadi (Boulenger, 1887)
- Synonym: Meristogenys whiteheadi — Yang, 1991
- Genus: Odorrana
- Genus: Rana
- Family: Rhacophoridae
- Family: Scaphiopodidae
- Order: Caudata
- Order: Gymnophiona