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 pareiasaurs reached giant proportions in the late Permian, eventually disappearing at the close of the period. Late in the period, the diapsid reptiles split into two main lineages, the archosaurs (ancestors of crocodiles and dinosaurs) and the lepidosaurs (predecessors of modern tuataras, lizards, and snakes). Both groups remained lizard-like and relatively small and inconspicuous during the Permian. The close of the Permian saw the greatest mass extinction known (see the Permian–Triassic extinction event). Most of the earlier anapsid/synapsid megafauna disappeared, being replaced by the archosauromorph diapsids. The archosaurs were characterized by elongated hind legs and an erect pose, the early