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 Batagur baska (Gray 1831:Pl. 75) Holotype : Not located; BMNH specimen illustrated in the original description (Pl. 75) and reproduced (and photographed) in Bour (2009c:31) , but apparently lost. Emys batagur Gray 1830: 9 Holotype : Not located; presumably in the BMNH but apparently lost. Trionyx (Tetraonyx) cuvieri Gray 1830:19 Holotype : Not located; possibly in the MNHN. Tetraonyx longicollis Lesson 1831:297 Holotype : MNHN 7967; illustrated in Lesson (1832: Pl. 7), and reproduced in Bour (2009c:31 , 33), along with photographs of the holotype . Additional syntypes may exist according to Praschag et al. (2008:66) . Tetraonyx lessonii Duméril & Bibron 1835: 338 Syntypes : MNHN 7967, 9094 and 9095. Batagur baska ranongensis Nutaphand 1979: 181 Holotype : Not located; illustrated in the original description (p. 121:Figs. 75–76).