Phrynops williamsi Rhodin & Mittermeier 1983

Phrynops williamsi Rhodin & Mittermeier 1983:59 Holotype: MCZ 64135 (photographed in the original description, p. 63, Fig. 3); paratypes (4), BMNH 84.2.5.1 and 84.2.5.3 (photographed in the original description, p. 62, Fig. 2); MZUSP 2675; and ZMB 6858 (Fritz et al. 1994:161; photographed in the original description, p. 61, Fig. 1).