Alb
Albanerpeton Estes & Hoffstetter, 1976 †
- †Albanerpeton arthridion Fox and Naylor 1982 [1]
- †Albanerpeton cifellii Gardner 1999 [1]
- †Albanerpeton galaktion Fox & Naylor, 1982 [1]
- †Albanerpeton gracilis Gardner J. D., 2000 [1]
- †Albanerpeton inexpectatum Estes & Hoffstetter, 1976 [1]
- †Albanerpeton nexuosus Estes, 1981 [1]
- †Albanerpeton pannonicus Venczel and Gardner 2005 [1]
Amphibia → Lissamphibia → Allocaudata → Albanerpetontidae
Porodica †Albanerpetontidae Fox & Naylor, 1982
- †Albanerpeton Estes and Hoffstetter 1976 [2]
- †Anoualerpeton Gardner et al. 2003 [2]
- †Celtedens McGowan and Evans 1995 [2]
- †Nukusurus Nessov 1981 [2]
- †Nukusurus insuetus Nessov 1981 [2]
- †Nukusurus sodalis Nessov 1997 [2]
- †Wesserpeton Sweetman and Gardner 2013 [2]
Amphibia → Lissamphibia → Batrachia → Allocaudata
Albericus Burton and Zweifel, 1995
- vidi Choerophryne Van Kampen, 1914
Ale
†Alegeinosaurus Case 1911
Amphibia → Temnospondyli → Dissorophoidea → Olsoniformes → Dissorophidae → Aspidosaurinae
Alexteroon Perret, 1988 (3 sp.)
- Alexteroon hypsiphonus Amiet, 2000
- Alexteroon jynx Amiet, 2000
- Alexteroon obstetricans (Ahl, 1931)
Animalia → Chordata → Amphibia → Anura → Hyperoliidae
All
Allobates Zimmermann and Zimmermann, 1988
- Allobates alessandroi (Grant and Rodriguez, 2001)
- Allobates algorei Barrio-Amorós and Santos, 2009
- Allobates amissibilis Kok, Hölting, and Ernst, 2013
- Allobates bromelicola (Test, 1956)
- Allobates brunneus (Cope, 1887)
- Allobates caeruleodactylus (Lima and Caldwell, 2001)
- Allobates caribe (Barrio-Amorós, Rivas-Fuenmayor, and Kaiser, 2006)
- Allobates cepedai (Morales, 2002)
- Allobates chalcopis (Kaiser, Coloma, and Gray, 1994)
- Allobates conspicuus (Morales, 2002)
- Allobates crombiei (Morales, 2002)
- Allobates femoralis (Boulenger, 1884)
- Allobates flaviventris Melo-Sampaio, Souza, and Peloso, 2013
- Allobates fratisenescus (Morales, 2002)
- Allobates fuscellus (Morales, 2002)
- Allobates gasconi (Morales, 2002)
- Allobates goianus (Bokermann, 1975)
- Allobates granti (Kok, MacCulloch, Gaucher, Poelman, Bourne, Lathrop, and Lenglet, 2006)
- Allobates grillisimilis Simões, Sturaro, Peloso, and Lima, 2013
- Allobates hodli Simões, Lima, and Farias, 2010
- Allobates humilis (Rivero, 1980)
- Allobates ignotus Anganoy-Criollo, 2012
- Allobates insperatus (Morales, 2002)
- Allobates juanii (Morales, 1994)
- Allobates kingsburyi (Boulenger, 1918)
- Allobates magnussoni Lima, Simões, and Kaefer, 2014
- Allobates mandelorum (Schmidt, 1932)
- Allobates marchesianus (Melin, 1941)
- Allobates masniger (Morales, 2002)
- Allobates mcdiarmidi (Reynolds and Foster, 1992)
- Allobates melanolaemus (Grant and Rodriguez, 2001)
- Allobates myersi (Pyburn, 1981)
- Allobates nidicola (Caldwell and Lima, 2003)
- Allobates niputidea Grant, Acosta-Galvis, and Rada, 2007
- Allobates olfersioides (Lutz, 1925)
- Allobates ornatus (Morales, 2002)
- Allobates paleovarzensis Lima, Caldwell, Biavati, and Montanarin, 2010
- Allobates picachos (Ardila-Robayo, Acosta-Galvis, and Coloma, 2000)
- Allobates pittieri (La Marca, Manzanilla, and Mijares-Urrutia, 2004)
- Allobates ranoides (Boulenger, 1918)
- Allobates sanmartini (Rivero, Langone, and Prigioni, 1986)
- Allobates subfolionidificans (Lima, Sanchez, and Souza, 2007)
- Allobates sumtuosus (Morales, 2002)
- Allobates talamancae (Cope, 1875)
- Allobates tapajos Lima, Simões, and Kaefer, 2015
- Allobates trilineatus (Boulenger, 1884)
- Allobates undulatus (Myers and Donnelly, 2001)
- Allobates vanzolinius (Morales, 2002)
- Allobates wayuu (Acosta-Galvis, Cuentas, and Coloma, 1999)
- Allobates zaparo (Silverstone, 1976)
Animalia → Chordata → Amphibia → Anura → Aromobatidae
Podporodica Allobatinae (48 sp.)
Amphibia → Anura → Aromobatidae
Red Allocaudata Fox & Naylor, 1982 †
- Porodica Albanerpetontidae Fox & Naylor, 1982 †
Allopaa Ohler and Dubois, 2006 (2 sp.)
- Allopaa barmoachensis (Khan and Tasnim, 1989)
- Allopaa hazarensis (Dubois and Khan, 1979)
Amphibia → Anura → Dicroglossidae → Dicroglossinae
Allophryne Gaige, 1926; 3 (sp.)
- Allophryne relicta Caramaschi, Orrico, Faivovich, Dias, and Solé, 2013
- Allophryne resplendens Castroviejo-Fisher et al., 2012
- Allophryne ruthveni Gaige, 1926
Amphibia → Anura → Allophrynidae
Porodica Allophrynidae Goin, Goin & Zug, 1978
- Allophryne Gaige, 1926
Alm
†Almasauridae Dutuit, 1972
- Rodovi: Almasaurus, Latiscopus
Animalia → Chordata → Amphibia → Temnospondyli → Trematosauria → Trematosauroidea
†Almasauroidea
Animalia → Chordata → Amphibia → Temnospondyli
†Almasaurus Dutuit 1972
†Almasaurus habbazi Dutuit 1972 Animalia → Chordata → Amphibia → Temnospondyli → Almasauridae
Als
Alsodes Bell, 1843
- Alsodes australis Formas, Úbeda, Cuevas, and Nuñez, 1997
- Alsodes barrioi Veloso, Diaz, Iturra-Constant, and Penna, 1981
- Alsodes coppingeri (Günther, 1881)
- Alsodes gargola Gallardo, 1970
- Alsodes hugoi Cuevas and Formas, 2001
- Alsodes igneus Cuevas and Formas, 2005
- Alsodes kaweshkari Formas, Cuevas, and Nuñez, 1998
- Alsodes montanus (Lataste, 1902)
- Alsodes monticola Bell, 1843
- Alsodes neuquensis Cei, 1976
- Alsodes nodosus (Duméril and Bibron, 1841)
- Alsodes norae Cuevas, 2008
- Alsodes pehuenche Cei, 1976
- Alsodes tumultuosus Veloso, Iturra-Constant, and Galleguillos-G., 1979
- Alsodes valdiviensis Formas, Cuevas, and Brieva, 2002
- Alsodes vanzolinii (Donoso-Barros, 1974)
- Alsodes verrucosus (Philippi, 1902)
- Alsodes vittatus (Philippi, 1902)
Porodica Alsodidae Mivart, 1869; (29 sp.)
- Rodovi: Alsodes, Eupsophus, Limnomedusa
Alt
Altigius Wild, 1995
- vidi Hamptophryne Carvalho, 1954
Altiphrynoides Dubois, 1987 (2 sp.)
- Altiphrynoides malcolmi (Grandison, 1978)
- Altiphrynoides osgoodi (Loveridge, 1932)
Aly
Alytes Wagler, 1830 (5 sp.)
- Alytes cisternasii Boscá, 1879
- Alytes dickhilleni Arntzen and García-París, 1995
- Alytes maurus Pasteur and Bons, 1962
- Alytes muletensis (Sanchíz and Adrover, 1979)
- Alytes obstetricans (Laurenti, 1768)
Porodica Alytidae Fitzinger, 1843 (12 sp.)
- Rodovi: Alytes, Discoglossus, Latonia