Society for the Study of Amphibians and Reptiles a number of books and series including: Society for the Study of Amphibians and Reptiles The Society for the Study of Amphibians and Reptiles (SSAR) is an international herpetological society. It is a non-profit organization supporting education, conservation, and research related to reptiles and amphibians. Regular publications include the "Journal of Herpetology" and "Herpetological Review". It is the largest international herpetological society, and is recognized worldwide for having the most diverse program of publications, meetings, and other activities. The SSAR Conservation Committee brings conservation issues that affect reptiles and amphibians to the attention of state and federal government agencies, non-government
Evolution of reptiles Evolution of reptiles Reptiles arose about 310–320 million years ago during the Carboniferous period. Reptiles, in the traditional sense of the term, are defined as animals that have scales or scutes, lay land-based hard-shelled eggs, and possess ectothermic metabolisms. So defined, the group is paraphyletic, excluding endothermic animals like birds and mammals that are descended from early reptiles. A definition in accordance with phylogenetic nomenclature, which rejects paraphyletic groups, includes birds while excluding mammals and their synapsid ancestors. So defined, Reptilia is identical to Sauropsida. Though lots of reptiles today are apex predators, many examples of apex reptiles have existed