Podocnemis unifilis Troschel 1848:647 Syntypes (2): ZMB 142 (2 specimens; Fritz et al. 1994:163); not lost as reported by King & Burke (1989:137–138), and Iverson (1992:77). ZMB 142 designated lectotype by Vogt et al. (2013:35), but not clear which specimen. Emys cayennensis Schweigger 1812:298 Syntypes (2): MNHN 7893 and 8359; MNHN 8359 (Ceríaco& Bour2012:19)designated lectotype by Bour (2006a:33, and both syntypes photographed therein, p. 30–31). Fretey (1977) erroneously listed MNHN 4152 as holotype of E. cayennensis, and that specimen was erroneously designated lectotype of cayennensis by Hoogmoed & Gruber 1983:343); it is a Podocnemis expansa (Bour 2006a:32; photographed therein). Testudo terekay Humboldt 1819:243 Holotype: Not located; discussed by Vogt et al. (2013:34). Chelys (Hydraspis) lata Bell in Gray 1830:17. Holotype: Not located; possibly OUM, apparently lost. Podocnemis tracaya Coutinho 1868:149 Holotype: Not located. Emys quadripunctata Lidth de Jeude in Gray 1873: 74 Holotype: BMNH 1866.8.14.223 (see original description).

Published as part of Iverson, John B., 2022, A review of Chelonian type specimens (order Testudines), pp. 1-85 in Megataxa 7 (1) on page 15, DOI: 10.11646/megataxa.7.1.1, http://zenodo.org/record/5964441