Cottonus Hoser, 2009 accepted as Aechmophrys Coues, 1875 (original description)
Crutchfieldus Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Cummingea Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Edwardsus Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Hoserea Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Matteoea Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Mullinsus Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Piersonus Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Pillotus Hoser, 2009 accepted as Caudisona Laurenti, 1768 (original description)
Sayersus Hoser, 2009 accepted as Crotalus Linnaeus, 1758 (original description)
Smythus Hoser, 2009 accepted as Caudisona Laurenti, 1768 (original description)