Gallotia
Gambelia
Garthia
Gastropholis
Gastrophryne
Gastrophrynoides
Gastrophyxis
Gastropyxis
Gastrotheca
Gavialis
Geagras
Geargas
Geckoella
Geckolepis
Geckonia
Gegeneophis
Gehyra
Geiolapisma
Gekko
gekkonid
Gekkonidae
Geobatrachus
Geocalamus
Geochelone
Geoclemys
Geocrinia
Geodipsas
Geoemyda
Geomyda
Geophis
Geophisctylus
Geotrypetes
Gephyromantis
Gerarda
Gerardia
Gerrhonotus
Gerrhosaurus
Gherronotus
Glaphyromorphus
Glauertia
Glossostoma
Gloydius
Glyphodon
Glyphoglossus
Glypholycus
Glyptemys
Gnypetoscincus
Goggia
Gonatodes
Gonglyosoma
Gongylomorphus
Gongylophis
Gongylosoma
Gonionotophis
Goniontophis
Goniotophis
Goniurosaurus
Gonocephalus
Gonotodus
Gonydactylus
Gonyophis
Gonyosoma
Gonysoma
Gopherus
Graciliscincus
Grandidierina
Grandisonia
Graptemys
Grayia
Gyalopion
Gymnodactylus
Gymnophiona
Gymnophis
Gymnophonia
Gymnophthalmus
Gymnopis
Gymnopthalmus
Gyrinophilis
Gyrinophilus