Template:Stickel, 1943

• Stickel, W.H. 1943. The Mexican snakes of the genera Sonora and Chionactis with notes on the status of other colubrid genera. Proceedings of the Biological Society of Washington 56: 109–127. BHL  
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Nomenclatural acts

• Date of publication: 19 October 1943

New names (1)

• Sonora michoacanensis mutabilis [p. 116]