|Species||Taxon author||Subsp.*||Common name||Geographic range|
|S. catenatus||(Rafinesque, 1818)||2||Massasauga||North America from southeastern Ontario (Canada) and western New York State southwest to southeastern Arizona (USA) and northern Tamaulipas (Mexico). In Mexico, isolated population exist in southern Nuevo León and north-central Coahuila. It occurs in various habitats ranging from swamps and marshes to grasslands, usually below 1500 m altitude.|
|S. miliariusT||(Linnaeus, 1766)||2||Pigmy rattlesnake||The southeastern United States from eastern and southern North Carolina southward through peninsular Florida and westward to Oklahoma and eastern Texas. It occurs in flatwoods, sandhills, mixed forests, flood plains and around marshes and lakes.|
|S. ravus||(Cope, 1865)||2||Mexican pigmy rattlesnake||The mountains of central and southern Mexico, west of the Isthmus of Tehuantepec, in the southeastern part of the Mexican Plateau, in the highlands of Morelos, Tlaxcala, Puebla, Veracruz, Oaxaca and the Sierra Madre del Sur in Guerrero.|
The Type Localities of Sistrurus catenatus and Crotalus viridis (Serpentes: Viperidae), with the Unraveling of a Most Unfortunate Tangle of Names
Jun 04, 2008; The broad and imprecise type localities of Crotalinus catenatus Rafinesque, 1818 (now sistrurus catenatus) and Crotalinus...
Spatial Ecology and Factors Influencing Movement Patterns of Desert Massasauga Rattlesnakes (Sistrurus catenatus edwardsii) in Southeastern Colorado
Mar 14, 2011; The Massasauga Rattlesnake (sistrurus catenatus) occurs from extreme southeastern Canada to northern Mexico, and most...