Apalone mutica calvata (Webb 1959:519)

Holotype: UIMNH 31071 (photographed in the original description, Pl. 13; Smith et al. 1964:36); paratypes (20), KU 47117-19 (Duellman & Berg 1962:196; KU 47118 photographed in Webb 1962:Pl. 47), TU 13473, 16682, 17301 (illustrated in the original description, Pl. 14), 17302 (2 specimens), 17303 (5 specimens; one specimen photographed in Webb 1962:Pl. 47), 17304 (4 specimens), 17305-06 (17306 photographed in Webb 1962:Pl. 47); USNM 7655 (Reynolds et al. 2007:35).