A review of Chelonian type specimens (order Testudines) Author Iverson, John B. text Megataxa 2022 2022-01-25 7 1 1 85 journal article 20418 10.11646/megataxa.7.1.1 bd1f1932-a0fa-4daf-af9f-cc52c932ed40 2703-3090 5964441 3BD32BFF-0402-47FB-A9EE-FE08E260793D Platemys platycephala (Schneider 1792:261) Holotype : Not located; illustrated in the original description (Pl. 7). Platemys planiceps (Schneider 1792:plate 7) Holotype : Not located; illustrated in the original description (Pl. 7). Testudo martinella Daudin 1803:377 Holotype : MNHN 8760 ( Ernst 1987:1 ). Emys discolor Thunberg in Schweigger 1812:302 , 348 Holotype : UPSZTY 723 (formerly UUZM 723); listed by Thunberg (1828:49) , but not by Lönnberg (1896) , Andersson (1900) , Holm (1957) , or Wallin (2001) . Emys canaliculata Spix 1824:10 Syntypes (4, one illustrated in the original description, Pl. VIII): only ZSM 3007/0 known to exist, designated lectotype by Hoogmoed & Gruber (1983:349) ; see also Franzen & Glaw 2007:204 where the lectotype is photographed (p. 205). Ernst (1983:350) erroneously considered ZSM 3007/0 the holotype . Hydraspis constricta Gray 1831:43 Holotype : Not designated (fide Ernst 1983:350 ); not located, possibly in the MNHN, but apparently lost.