Crotaphytus Holbrook, 1842
Crotaphytus collaris subsp. auriceps
Crotaphytus collaris baileyi Stejneger, 1890
Crotaphytus collaris subsp. collaris Say, 1823
Crotaphytus collaris dickersonae (Montanucci, Axtell & Dessauer, 1975)
Crotaphytus collaris fuscus Ingram & Tanner, 1971
Crotaphytus collaris melanomaculatus Axtell & Webb, 1995
Crotaphytus collaris nebrius Axtell & Montanucchi, 1977
