Apalone Rafinesque, 1832
Apalone spinifera aspera (Agassiz, 1857)
Apalone spinifera ater Webb & Legler, 1960
Apalone spinifera emoryi (Agassiz, 1857)
Apalone spinifera guadalupensis (Webb, 1962)
Apalone spinifera hartwegi (Conant & Goin, 1941)
Apalone spinifera pallida (Webb, 1962)
Apalone spinifera subsp. spinifera LE Sueur, 1827