The fauna of Venezuela consists of a huge variety of unique animals; some 23% of reptilian and 50% of amphibian species that inhabit the country are endemic to Venezuela. Overall, around 8,000 species (the world's 5th highest total) are endemic to the country. Animalia redirects here. ... Subclasses Anapsida Diapsida Synonyms Reptilia Laurenti, 1768 Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane, and members of the class Sauropsida. ... Subclasses and Orders Order Temnospondyli - extinct Subclass Lepospondyli - extinct Subclass Lissamphibia Anura Caudata Gymnophiona Amphibians (class Amphibia; from Greek αμÏÎ¹Ï both and Î²Î¹Î¿Ï life) are a taxon of animals that include all living tetrapods (four-legged vertebrates) that do not have amniotic eggs, are ectotherms, and generally spend part of their time... In biology and ecology endemic means exclusively native to a place or biota, in contrast to cosmopolitan or introduced. ...