Names with citations in year 1826
- Class: Amphibia Gray, 1825
- Synonym: Mutabilia Fitzinger, 1826
- Order: Anura
- Family: Bombinatoridae Gray, 1825
- Synonym: Bombinatoroidea — Fitzinger, 1826
- Family: Brachycephalidae
- Family: Brevicipitidae
- Family: Bufonidae Gray, 1825
- Family: Dendrobatidae
- Family: Dicroglossidae
- Family: Hylidae
- Family: Hylodidae
- Family: Leptodactylidae
- Family: Megophryidae
- Family: Microhylidae
- Family: Pelobatidae
- Family: Pelodytidae
- Family: Pipidae Gray, 1825
- Synonym: Pipoidea — Fitzinger, 1826
- Genus: Xenopus
- Family: Ranidae Rafinesque, 1814
- Synonym: Ranoidea — Fitzinger, 1826
- Genus: Hylarana
- Genus: Lithobates
- Species: Lithobates catesbeianus (Shaw, 1802)
- Synonym: Rana scapularis Harlan, 1826
- Species: Lithobates clamitans (Latreille, 1801)
- Synonym: Rana flaviviridis Harlan, 1826
- Species: Lithobates palustris (LeConte, 1825)
- Synonym: Rana pardalis Harlan, 1826
- Species: Lithobates sphenocephalus (Cope, 1886)
- Synonym: Rana utricularius Harlan, 1826
- Species: Lithobates sylvaticus (LeConte, 1825)
- Synonym: Rana pennsylvanica Harlan, 1826
- Genus: Pelophylax
- Species: Pelophylax bergeri (Günther, 1986)
- Synonym: Rana hispanica Fitzinger, 1826
- Species: Pelophylax lessonae (Camerano, 1882)
- Synonym: Rana alpina Fitzinger, 1826
- Synonym: Rana maritima Risso, 1826
- Species: Pelophylax perezi (López-Seoane, 1885)
- Synonym: Rana hispanica Fitzinger, 1826
- Species: Pelophylax ridibundus (Pallas, 1771)
- Synonym: Rana alpina Fitzinger, 1826
- Synonym: Rana hispanica Fitzinger, 1826
- Synonym: Rana maritima Risso, 1826
- Genus: Rana
- Family: Rhacophoridae
- Order: Caudata Fischer von Waldheim, 1813
- Order: Gymnophiona Müller, 1832