Template:Fitch, 1940

• Fitch, H.S. 1940. A Biogeographical Study of the Ordinoides Artenkreis of Garter Snakes (genus Thamnophis). University of California Publications in Zoology 44: 1–150.  
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Nomenclatural acts

• Date of publication: 1940

New names (1)

• Thamnophis ordinoides gigas [p. 69]