Mesoclemmys vanderhaegei (Bour 1973:184)

Holotype: MNHN 1977.50; photographed in the original description (Pl. 1), in Bour & Pauler (1987:22), and in Vinke et al. (2013:22, Fig. 1). No paratypes designated.

Phrynops schöpfii Diesing 1840:237 (nomen nudum)

Holotype: NMW 15762 (see Bour & Pauler 1983:10).

Phrynops paraguayensis Vanzolini in Donoso-Barros 1965:13 (nomen nudum)

Holotype: Not located.