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- [PDF] CROTHER , B.J., J.M. SAVAGE & A.T. HOLYCROSS (2011). Crotalinus catenatus Rafinesque, 1818 (currently Sistrurus catenatus) and Crotalus tergeminus Say in James, 1822 (currently Sistrurus tergeminus; Reptilia, Serpentes): proposed conservation of usage by designation of neotypes for both species. Bulletin of Zoological Nomenclature, 68(4):271-274
- [PDF] HOLYCROSS , A.T., T.G. ANTON, M.E. DOUGLAS & D.A. FROST (2008). The Type Localities of Sistrurus catenatus and Crotalus viridis (Serpentes: Viperidae), with the Unraveling of a Most Unfortunate Tangle of Names. Copeia 2008, (2):421-424.