This new Circular is the most up-to-date listing of Scientific and Standard English Names for the United States and Canada. It is compiled by the top specialists for each order. This is the official names list of all the major North American Herpetological Societies including: American Society of Ichthyologists and Herpetologists, Canadian Association of Herpetology, Canadian Amphibian and Reptile Conservation Network, Partners in Amphibian and Reptile Conservation, Society for the Study of Amphibians and Reptiles, and The Herpetologists’ League.