Society for the Study of Amphibians and Reptiles exchanges and international cooperative efforts for study and publications. The society was founded as a regional organization, The Ohio Herpetological Society (OHS), by two young but serious-minded amateurs, Kraig Adler and David M. Dennis, then 16 and 17 years of age respectively. They decided in the fall of 1957 to formalize interactions amongst a small group of amateur herpetologists throughout Ohio and began publishing a combined journal and newsletter (called the "Trimonthly Report") in January 1958. The name of the society was changed to The Society for the Study of Amphibians and Reptiles on January 1, 1967. The SSAR publishes
Evolution of reptiles forms looking somewhat like long-legged crocodiles. The archosaurs became the dominant group during the Triassic period, developing into the well-known dinosaurs and pterosaurs, as well as the pseudosuchians. The Mesozoic is often called the "Age of Reptiles", a phrase coined by the early 19th-century paleontologist Gideon Mantell who recognized the dinosaurs and the ancestors of the crocodilians as the dominant land vertebrates. Some of the dinosaurs were the largest land animals ever to have lived while some of the smaller theropods gave rise to the first birds. The sister group to Archosauromorpha is Lepidosauromorpha, containing squamates and rhynchocephalians, as well