Pantherophis obsoletus är en ormart som beskrevs av Say 1823. Pantherophis obsoletus ingår i släktet Pantherophis och familjen snokar. IUCN kategoriserar arten globalt som livskraftig. Inga underarter finns listade i Catalogue of Life.
Arten förekommer i centrala och östra USA söderut till Texas samt i södra Kanada. Honorna lägger ägg.
Källor Say, T. (1823) In James, E. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, '20, by order of the Hon. J. C. Calhoun, Secretary of War, under the command of Major Stephen H. Long. Vol. 1., Philadelphia, H. C. Carey & I. Lea.
Holbrook, John E. (1842) North American Herpetology; or, A description of the reptiles inhabiting the United States., 1032 pp. Boulenger, George A. (1894) Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ., British Mus. (Nat. Hist.), London, xi, 382 pp. Stankowski, B. (1986) Erdnattern (E. obsoleta) - ideale Schlangen für den Anfänger., Herpetofauna 8 (42): 29-34 Crother, B. I. (2000) Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding., Herpetogical Circular, No. 29: 1-82 Baird, S. F. and C. Girard. (1853) Catalogue of North American Reptiles in the Museum of the Smithsonian Institution. Part 1.-Serpents., Smithsonian Inst., Washington, xvi + 172 pp. Burbrink, Frank T. (2001) Systematics of the Eastern Ratsnake complex (Elaphe obsoleta)., Herpetological Monographs 15: 1-53 Barbour, Thomas;Carr, F., Jr (1940) Notes on Elaphe and a new species, Occasional Papers of the Boston Society of Natural History 8: 337-342 Hallowell, E. (1856) Notice of a collection of reptiles from Kansas and Nebraska, presented to the Academy of Natural Sciences by Dr. Hammond, U.S.A., Proc. Acad. Nat. Sci. Philadelphia 8: 238-253 Duméril, A.M.C., G. BIBRON & A.H.A. DUMÉRIL (1854) Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 7 (partie 1)., Paris, xvi + 780 S.
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Kategori:Snokar obsoletus Kategori:Kräldjur i nearktiska regionen