Thamnophis couchii
(Kennicott, 1859)
tham-NO-fiss — kowch-EE-ai
SSAR 9th Edition Comments:
There are no current SSAR comments for this taxon.
Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.04.10.13.42.10)
Download GeoJSON polygon range file: - 1.63 MB
First instance(s) of published English names:
Couch's Garter Snake (Eutaenia couchii: Cooper, James G. 1869. The fauna of California and its geographical distribution. Proceedings of the California Academy of Sciences 4():61-81); Giant Garter Snake (Thamnophis ordinoides couchii: Van Denburgh, John. 1922. The Reptiles of Western North America: An Account of the Species Known to Inhabit California and Oregon, Washinton, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora, and Lower California. Volume I. Lizards. California Academy of Sciences, San Francisco. 556pp.); Sierra Nevada Garter Snake (Thamnophis ordinoides couchii: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Couch's Water Snake (Thamnophis elegans couchii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Couch's Garter Snake (Thamnophis elegans couchii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sierra Nevada Garter Snake (Thamnophis elegans couchi: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);
Catalog of American Amphibians and Reptiles
The Reptile Database
GenBank
USGS - Nonindigenous Aquatic Species Database
Selected References:
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1859
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Kennicott, Robert. Eutaenia couchii. Pages in In: Williamson & Abbot, Explorations for a railroad route, from the Sacramento Valley to the Columbia River. U. S. Pacif. Railroad Surv. 10, Pt.4, p. 10. A. O. P. Nicholson, Washington, D.C.. pp.
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1903
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Brown, Arthur Edwin. The variations of Eutaenia in the Pacific subregion. Proceedings of the Academy of Natural Sciences, Philadelphia 55:286-297
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1908
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Ruthven, Alexander G. Variations and genetic relationships of the garter-snakes. Bulletin of the United States National Museum (61):1-201
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1972
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Baker, Robert J., George A. Mengden, and James J. Bull. Karyotypic studies of thirty-eight species of North American snakes . Copeia 1972(2):257-265
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1984
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Fitch, Henry S. Thamnophis couchii. Catalogue of American Amphibians and Reptiles (351):1-3
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1987
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Rossman, Douglas A. and G. R. Stewart. Taxonomic reevaluation of Thamnophis couchii (Serpentes: Colubridae). Occaisional Papers of the Museum of Zoology, Louisiana State University (63):1-25
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1991
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Collins, Joseph T. Viewpoint: A new taxonomic arrangement for some North American amphibins and reptiles Herpetological Review 22(2):42-43
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1994
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De Queiroz, Alan and Robin Lawson. Phylogenetic relationships of the garter snakes based on DNA sequence and allozyme variation. Biological Journal of the Linnean Society 53:209-229
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2002
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de Queiroz, Alan, Robin Lawson, and Julio A. Lemos-Espinal. Phylogenetic relationships of North American garter snakes (Thamnophis) based on four mitochondrial genes: How much DNA sequence is enough?. Molecular Phylogenetics and Evolution 22(2):315-329
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2014
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Crother, Brian I. The bold taxonomic hypotheses of Collins (1991): 23 years later. Herpetological Review 45(2):268-272
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2024
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Pillod, David S., Michelle I. Jeffries, Robert S. Arkle, and Deanna H. Olson. Climate futures for lizards and snakes in western North America may result in new species management issues Ecology and Evolution 14(10):1-23
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