Children (6 direct children, 6 direct and indirect children):
Cuatro cienegas softshell
Apalone spinifera atra
Guadalupe spiny softshell turtle
Apalone spinifera guadalupensis
Gulf coast spiny softshell turtle
Apalone spinifera aspera
Northern spiny softshell turtle
Apalone spinifera hartwegi
Pallid spiny softshell turtle
Apalone spinifera pallida
Texas spiny softshell turtle
Apalone spinifera emoryi