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|  Kingdom Animalia | 
|   | 
Ahaetulla nigromarginata Günther, 1866 – invalid
 | 
|   | 
Arius layardi Günther, 1866 – invalid
 | 
|   | 
Arrhamphus Günther, 1866 – valid
 | 
|   | 
Arrhamphus sclerolepis Günther, 1866 – valid – shortbeaked garfish, shortbeaked garfish
 | 
|   | 
Atractaspis microlepidota Günther, 1866 – valid – Small-Scaled Burrowing Asp
 | 
|   | 
Atractaspis microlepidota microlepidota Günther, 1866 – invalid
 | 
|   | 
Barbus unitaeniatus Günther, 1866 – valid
 | 
|   | 
Belone belone euxini Günther, 1866 – valid
 | 
|   | 
Brachymystax Günther, 1866 – valid
 | 
|   | 
Brienomyrus niger (Günther, 1866) – valid
 | 
|   | 
Characodon Günther, 1866 – valid
 | 
|   | 
Characodon lateralis Günther, 1866 – valid – rainbow characodon, mexcalpique arcoiris
 | 
|   | 
Cheilopogon arcticeps (Günther, 1866) – valid
 | 
|   | 
Coregonus maxillaris Günther, 1866 – valid
 | 
|   | 
Coronella brachyura (Günther, 1866) – valid – Indian Smooth Snake
 | 
|   | 
Cypselurus callopterus (Günther, 1866) – valid – beautyfin flyingfish, volador bonito
 | 
|   | 
Epiplatys fasciolatus (Günther, 1866) – valid – banded epiplatys, banded epiplatys
 | 
|   | 
Exocoetus obtusirostris Günther, 1866 – valid – oceanic two-wing flyingfish, volador flecha, volador oceánico
 | 
|   | 
Floridichthys carpio (Günther, 1866) – valid – ocellated killifish, goldspotted killifish
 | 
|   | 
Fodiator acutus rostratus (Günther, 1866) – valid
 | 
|   | 
Fodiator rostratus (Günther, 1866) – invalid
 | 
|   | 
Fundulus chrysotus (Günther, 1866) – valid – golden topminnow
 | 
|   | 
Galaxias brevipinnis Günther, 1866 – valid – Koaro, Climbing Galaxias
 | 
|   | 
Galaxias krefftii Günther, 1866 – invalid
 | 
|   | 
Galaxias olidus Günther, 1866 – valid – Mountain Galaxias
 | 
|   | 
Galaxias punctatus Günther, 1866 – invalid
 | 
|   | 
Gambusia nicaraguensis Günther, 1866 – valid – Nicaraguan mosquitofish
 | 
|   | 
Haplochilus playfairii Günther, 1866 – invalid
 | 
|   | 
Hemiramphus affinis Günther, 1866 – invalid
 | 
|   | 
Hemiramphus laticeps Günther, 1866 – invalid
 | 
|   | 
Hemiramphus robustus Günther, 1866 – valid – flatsided garfish, three-by-two garfish, flatsided garfish, three-by-two garfish
 | 
|   | 
Hemirhamphus affinis Günther, 1866 – invalid
 | 
|   | 
Hemirhamphus laticeps Günther, 1866 – invalid
 | 
|   | 
Hirundichthys affinis (Günther, 1866) – valid – fourwing flyingfish, volador golondrina, volador de 4 alas
 | 
|   | 
Hucho Günther, 1866 – valid
 | 
|   | 
Hydrolycus pectoralis (Günther, 1866) – invalid
 | 
|   | 
Hyperopisus bebe occidentalis Günther, 1866 – valid
 | 
|   | 
Hyporhamphus affinis (Günther, 1866) – valid
 | 
|   | 
Hyporhamphus laticeps (Günther, 1866) – invalid
 | 
|   | 
Hyporhamphus regularis (Günther, 1866) – valid – river garfish
 | 
|   | 
Hyporhamphus regularis regularis (Günther, 1866) – valid – Western river garfish
 | 
|   | 
Jenynsia Günther, 1866 – valid
 | 
|   | 
Leptophis ahaetulla nigromarginatus (Günther, 1866) – valid
 | 
|   | 
Limia melanogaster (Günther, 1866) – valid – black-bellied limia, black-bellied limia, blackbelly limia
 | 
|   | 
Limia versicolor (Günther, 1866) – valid – olive limia, olive limia, varicolored limia
 | 
|   | 
Mormyrus macrophthalmus Günther, 1866 – valid
 | 
|   | 
Oxyzygonectes dovii (Günther, 1866) – valid – ojos blancos, white-eye, whiteyes
 | 
|   | 
Pachypanchax playfairii (Günther, 1866) – valid – roughbacked killie, golden panchax, Playfair's panchax, roughbacked killie
 | 
|   | 
Petrocephalus catostoma (Günther, 1866) – valid
 | 
|   | 
Platybelone argalus lovii (Günther, 1866) – valid
 | 
|   | 
Platypoecilus Günther, 1866 – invalid
 | 
|   | 
Platypoecilus maculatus Günther, 1866 – invalid
 | 
|   | 
Plicofollis layardi (Günther, 1866) – valid
 | 
|   | 
Poecilia maculata (Günther, 1866) – invalid
 | 
|   | 
Poecilia melanogaster Günther, 1866 – invalid – black-bellied limia, blue limia, black-bellied limia, blue limia
 | 
|   | 
Poecilia petenensis Günther, 1866 – valid – Peten molly, topote lacandón
 | 
|   | 
Poeciliopsis elongata (Günther, 1866) – valid
 | 
|   | 
Pollimyrus adspersus (Günther, 1866) – valid
 | 
|   | 
Potamorrhaphis Günther, 1866 – valid
 | 
|   | 
Profundulus guatemalensis (Günther, 1866) – valid
 | 
|   | 
Profundulus labialis (Günther, 1866) – valid – escamudo bocón, largelip killifish
 | 
|   | 
Profundulus punctatus (Günther, 1866) – valid – brownspotted killifish, escamudo pinto
 | 
|   | 
Pseudotylosurus angusticeps (Günther, 1866) – valid
 | 
|   | 
Pseudotylosurus microps (Günther, 1866) – valid
 | 
|   | 
Rivulus urophthalmus Günther, 1866 – valid – golden rivulus, green rivulus, golden rivulus, green rivulus
 | 
|   | 
Salmo nigripinnis Günther, 1866 – valid
 | 
|   | 
Salmo stomachicus Günther, 1866 – valid
 | 
|   | 
Salvelinus killinensis (Günther, 1866) – valid
 | 
|   | 
Stenocaulus kreffti (Günther, 1866) – invalid
 | 
|   | 
Stenocaulus krefftii (Günther, 1866) – invalid
 | 
|   | 
Strongylura capensis (Günther, 1866) – invalid
 | 
|   | 
Strongylura kreffti (Günther, 1866) – invalid
 | 
|   | 
Strongylura krefftii (Günther, 1866) – valid – freshwater longtom, long tom
 | 
|   | 
Strongylura leiura ferox (Günther, 1866) – valid
 | 
|   | 
Xiphophorus maculatus (Günther, 1866) – valid – platy, southern platyfish, espada sureña
 | 
|   | 
Zamenis brachyurus Günther, 1866 – invalid | 
        
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