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 Acanthochelys spixii ( Duméril & Bibron 1835:409 ) Holotype : Not MNHN 8751 as intended by Duméril & Bibron,because Platemysspixii wasareplacement name for Emys depressa (see separate account); hence, records of MNHN 8751 as the type (e.g., Ernst 1983:1 ) are in error. ZSM 3003/0 ( Franzen & Glaw 2007:205 ) designated lectotype for Emys depressa by Hoogmoed & Gruber (1983:345) , which also makes it the type of spixii (Rhodin et al. 1984: Iverson 1992:9 ). Emys depressa Spix 1824:5 Syntypes (at least 2, one illustrated in the original descripton, Pl.III, Figs.2–3; Hoogmoed &Gruber 1983:344 ); ZSM 3003/0, others not located; ZSM 3003/0 ( Franzen & Glaw 2007:205 ) designated lectotype by Hoogmoed & Gruber (1983:345) . Emys aspera Cuvier in Gray 1830:16 Holotype : MNHN 8751 (see Bour & Pauler 1987:14 ).