"*Crotalophorus Kirtlandi" . "(–CouesInWheeler, 1875)" . "(Baird&Girard, 1853)" . "*Crotalus messaugus" . "iucn3.1" . "(–Baird, 1854)" . "*Crotalophorus massasauga" . . . "*Crotalophorus consors" . "*Crotalusrus (Crotalus) catenatus" . . "LC" . "*Crotalus messasaugus" . . . "(–Baird&Girard, 1853)" . "(–Boulenger, 1896)" . . . "(Rafinesque, 1818)" . "(–Garman, 1883)" . "Common names: massasauga, black massasauga, black rattler, more.The massasauga (Sistrurus catenatus) is a venomous pitviper rattlesnake species found primarily in the United States. Three subspecies are currently recognized including the nominate subspecies described here."@en . "(Holbrook, 1842)" . "(–Rafinesque, 1820)" . . "*Crotalinus catenatus" . . . "*C[rotalus]. consors" . "Massasauga snake"@en . "*[Sistrurus catenatus]Var. consors (–Garman, 1884)" . . "(– Golay et al., 1993)" . "*Sistrurus catenatus" . "(–Stejneger, 1895)" . "(–Cope, 1900)" . "*[Sistrurus]catenatus" . . . "(KirtlandInMather, 1838)" . "*Sistrurus catenatus catenatus" . . "*Crotalophorus catenatus catenatus (–Cope, 1892)" .