BioStor
(specimen not known in GBIF)
 | Type and type locality of the Gulf Coast spiny softshell turtle, Trionyx spinifer Asper (Agassiz) R G Webb (1960) Breviora 129: 1-8 |
 | North American Recent soft-shelled turtles (Family Trionychidae) Robert G Webb (1962) Univ. Kansas Publ. Mus. Natur. Hist. 13(10): 429-611 |