A review of Chelonian type specimens (order Testudines) Author Iverson, John B. text Megataxa 2022 2022-01-25 7 1 1 85 journal article 10.11646/megataxa.7.1.1 bd1f1932-a0fa-4daf-af9f-cc52c932ed40 2703-3090 5964441 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.