Fossil Snakes of North America: Origin, Evolution, Distribution, Paleoecology
"This volume includes detailed accounts of the morphology and distribution of the fossil snakes of North America and also remarks on their evolutionary, zoogeographic, and paleoecological patterns. The heart of the book consists of detailed systematic accounts of the known fossil snakes of North America and their localities. Extinct fossil taxa are discussed and illustrated, and many are re-described on the basis of new information. The book provides illustrations of diagnostic vertebrae and criteria for the identification of presently living fossil snake taxa as well as descriptions of the modern characteristics and ranges of these species." "Color photographs in the 16-page insert present a catalog of representative living snake species." --Book Jacket.
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accessory processes Agkistrodon Arizona Auffenberg Auffenberg 1963a Barstovian Blancan Boavus boid Boidae Brattstrom Calamagras Cave Fauna cene centrum Charina cholabrean Coluber constrictor colubrid Conant and Collins condyle cotyle County Crotalinae Crotalus viridis Diadophis dorsal view Early Holocene Rancholabrean Early Miocene Elaphe vulpina Eocene Florida Formation Fossil Fossil Localities Fossil Remains fossil snakes genera genus Gilmore hemal keel Hemphillian Heterodon platirhinos Holman Holocene Holotype hypapophysis Identification of Fossil indet Irvingtonian Kansas Lampropeltis Lampropeltis getula Lampropeltis triangulum Late Miocene Late Pleis Late Pleistocene Irvingtonian Late Pleistocene Rancholabrean lateral view Locality and Horizon Masticophis Mexico Middle to Late Miocene modern Museum Nebraska neural arch neural canal neural spine North America occur Ogmophis Oligocene Opheodrys Palaeophis Parmley Pituophis melanoleucus Pleistocene to Early Pliocene posteriorly postzygapophyseal prezygapophyseal accessory processes prezygapophyseal articular facets References Remarks slightly species Storeria subcentral ridges subfamily synapophyses Texas Thamnophis sirtalis Thamnophis sp Top left top right type locality Virginia Wyoming zygosphene