Hydromedusa tectifera Cope 1869:147

Holotype: Not located; possibly USNM or ANSP, apparently lost.

Hydromedusa platanensis Gray 1873:302

Holotype: BMNH 1947.3.5.85 (formerly 1854.8.16. 11; listed as 1859.5.16.11 by Gray 1873:64).

Hydromedusa wagleri Günther 1884:423

Holotype: BMNH 1947.3.5.84 (formerly 1848.2.3.3).

Mesoclemmys dahli Zangerl & Medem 1958: 376

Holotype: FMNH 75980 (Marx 1976:67); paratypes (3), FMNH 81991-93.