Field Book of Snakes of the United States and Canada. Boston and New York: Houghton Mifflin Harcourt. Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition.
What Snake Is That? A Field Guide to the Snakes of the United States East of the Rocky Mountains. The Audubon Society Field Guide to North American Reptiles and Amphibians. ISBN 9-4 (hardcover), ISBN 7-8 (paperback). A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Ithaca and London: Comstock Publishing Associates, a Division of Cornell University Press. Handbook of Snakes of the United States and Canada. Baltimore: Johns Hopkins University Press. ^ Beolens, Bo Watkins, Michael Grayson, Michael (2011).Scientific and Common Names of the Reptiles and Amphibians of North America – Explained. Alabama Department of Conservation and Natural Resources. ITIS (Integrated Taxonomic Information System). NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. This secretive snake prefers mesic deciduous forest. It spends its life burrowing in moist soil or under the leaf litter searching for soft-bodied prey, with a preference for earthworms. helenae has two large head shields, one on the left and one on the right, instead of the usual four smaller shields. As a result, in the space between the rostral and the frontal, C. amoenus, the midwestern worm snake has each internasal fused with its corresponding prefrontal. Instead of having a pair of internasals and a pair of prefrontals, as are found in most snakes including other subspecies of C. The scalation on the anterior dorsal surface of the head is distinctive. It is plain dark brown on top and light pink on its underside. helenae is small and wormlike, rarely growing longer than 9.8 in (25 cm) in total length (including tail). helenae ranges from southern Ohio to northern Georgia in the east and from southern Illinois to eastern Louisiana in the west. helenae include central twig snake, central worm snake, ground snake, Helen's snake, Helen Tennison's snake, Helen's worm snake, red snake, and worm snake. Common names Īdditional common names for C. Tenuisson collected specimens for and with Kennicott in Mississippi. The subspecific name, helenae, is in honor of "Miss Helen Tennison", a misspelling of the name of Robert Kennicott's cousin Helen L. The subspecies is endemic to the Midwest and Southern United States. amoenus, is a non venomous snake in the family Colubridae. The midwestern worm snake, Carphophis amoenus helenae, a subspecies of C.
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