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Pelomedusa olivacea (SCHWEIGGER, 1812)

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Higher TaxaPelomedusidae, Pelomedusoidea, Pleurodira, Testudines (turtles)
Common Names 
SynonymEmys olivacea SCHWEIGGER 1812: 307 (non GRAY 1855)
Pelomedusa gasconi ROCHEBRUNE 1884
Pelomedusa subrufa olivacea — SINDACO & JEREMČENKO 2008
Pelomedusa subrufa olivacea — LOVERIDGE 1941
Pelomedusa olivacea — PETZOLD et al. 2014
Pelomedusa olivacea — TTWG 2017: 204 
DistributionBenin, Burkina Faso, Niger, Nigeria, and Senegal

Type locality: restricted to Senegal

gasconi: Senegal; Type locality restricted to Dagana, Senegal  
TypesNeotype: ZFMK 17076, original holotype MNHN-RA 7971 (shell only)
Neotype: ZFMK 17076, designated by Fritz et al. 2014 [gasconi] 
DiagnosisDiagnosis: Small to medium-sized helmeted terrapins with a known maximum straight carapacial length of 16.8 cm. Pectoral scutes triangular and either just meeting at their tips along the plastral midseam or more or less widely separated. One large undivided temporal scale on each side of head. Two small barbels under chin. Carapace and plastron light coloured. Soft parts dorsally darker than ventrally. Pelomedusa olivacea differs from all other Pelomedusa species by the presence of guanine (G) instead of adenine (A) or cytosine (C) at position 123 and by the presence of adenine (A) instead of guanine (G) at position 271 of the 360-bp-long reference alignment of the 12S rRNA gene (Supporting Information) [from PETZOLD et al. 2014].
CommentDistribution: Map: Petzold et al. 2014

Habitat: freshwater (Ponds, swamps) 
  • Bour, R. 2008. Global diversity of turtles (Chelonii; Reptilia) in freshwater. Hydrobiologia 595:593–598 - get paper here
  • Loveridge, A. 1941. Revision of the African terrapins of the family Pelomedusidae. Bull. Mus. Comp. Zool. Harvard 88: 467-524. - get paper here
  • PETZOLD, ALICE; MARIO VARGAS-RAMÍREZ, CHRISTIAN KEHLMAIER, MELITA VAMBERGER, WILLIAM R. BRANCH, LOUIS DU PREEZ, MARGARETHA D. HOFMEYR, LEON MEYER, ALFRED SCHLEICHER, PAVEL ŠIROKÝ & UWE FRITZ 2014. A revision of African helmeted terrapins (Testudines: Pelomedusidae: Pelomedusa), with descriptions of six new species. Zootaxa 3795 (5): 523–548 - get paper here
  • Rochebrune, A. T. de 1884. Faune de la Senegambie. Reptiles. O. Dom, Paris, 1-221. - get paper here
  • Schweigger, A.F. 1812. Prodromus Monographia Cheloniorum auctore Schweigger. Königsberg. Arch. Naturwiss. Mathem., 1: 271-368, 406-458.
  • Sindaco, R. & Jeremcenko, V.K. 2008. The reptiles of the Western Palearctic. Edizioni Belvedere, Latina (Italy), 579 pp. - get paper here
  • TTWG; Anders G.J. Rhodin, John B. iverson, Roger Bour, Uwe Fritz, Arthur GeoRges, H. BRadley Shaffer, and Peter Paul van Dijk 2017. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (8th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Saumure, R.A., Buhlmann, K.A., Pritchard, P.C.H., and Mittermeier, R.A. (Ed Chelonian Research Monographs 7:1–292. doi: 10.3854/crm.7.checklist.atlas.v8.2017 - get paper here
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