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Cyclanorbis senegalensis (DUMÉRIL & BIBRON, 1835)

IUCN Red List - Cyclanorbis senegalensis - Least Concern, LR

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Higher TaxaTrionychidae (Cyclanorbinae), Trionychoidea, Testudines (turtles)
Common NamesE: Senegal Soft-shelled Turtle 
SynonymCryptopus senegalensis DUMÉRIL & BIBRON 1835: 504
Cyclanorbis petersii GRAY 1855: 69
Cyclanosteus petersii — GRAY 1860: 441
Tetrathyra baikii GRAY 1865
Cyclanosteus senegalensis var. normalis GRAY 1865
Cyclanosteus senegalensis var. equilifera GRAY 1865
Cyclanosteus senegalensis var. callosa GRAY 1865
Tetrathyra vaillantii ROCHEBRUNE 1884
Cyclanorbis senegalensis — BOULENGER 1889
Cyclanorbis senegalensis — SIEBENROCK 1905
Cyclanorbis senegalensis — MCCORD & JOSEPH-OUNI 2003
Cyclanorbis senegalensis — TTWG 2014
Cyclanorbis senegalensis — TTWG 2021 
DistributionSudan (Jumhūriyyat), Republic of South Sudan (RSS), W Ethiopia, Chad, Cameroon, Central African Republic, Nigeria, Togo, Benin, Ghana, Ivory Coast, Liberia, Sierra Leone, Mauritania, Guinea, Guinea-Bissau, Senegal, Mali, Gambia (MacCarthy Island, HÅKANSSON 1981)

Type locality: Senegal  
TypesHolotype: MNHN-RA 4151 
CommentSee also note in C. elegans.

Distribution: Not in Gabon fide PAUWELS & VANDE WEGHE 2008. See map in Mazuch et al. 2016: 2 (Fig. 1). Not in Equatorial Guinea (where it is replaced by C. elegans) fide SÁNCHEZ-VIALAS et al. 2022.

Type species: Cyclanorbis petersii GRAY 1855 is the type species of the genus Cyclanorbis GRAY 1852.

Habitat: freshwater (rivers and tributaries, lakes) 
EtymologyNamed after the type locality. 
  • Akani, Godfrey C.; Edem A. Eniang, Nioking Amadi, Daniele Dendi, Emmanual M. Hema, Tomas Diagne, Gabriel Hoinsoudé Ségniabeto, Massimiliano Di Vittorio, Sulemana Bawa Gbewaa, Olivier S. G. Pauwels, Laurent Chitio, and Luca Luiselli 2018. Macrohabitat and Microhabitat Usage by Two Softshell Turtles (Trionyx triunguis and Cyclanorbis senegalensis) in West and Central Africa. Herp. Cons. Biol. 13 (3): 642–651 - get paper here
  • Barnett, Linda K. & Emms, Craig 2005. Common reptiles of The Gambia. Rare Repro, Hailsham, East Sussex, 24 pp.
  • Bonin, F., Devaux, B. & Dupré, A. 2006. Turtles of the World. English translation by P.C.H. Pritchard. Johns Hopkins University Press, 416 pp.
  • Bour, R. 2008. Global diversity of turtles (Chelonii; Reptilia) in freshwater. Hydrobiologia 595:593–598 - get paper here
  • Chirio, L. 2009. Inventaire des reptiles de la région de la Réserve de Biosphère Transfrontalière du W (Niger/Bénin/Burkina Faso: Afrique de l’Ouest). [Herpetological survey of the W Transfrontier Biosphere Reserve area (Niger/Benin/Burkina Faso: West Africa]. Bull. Soc. Herp. France (132): 13-41 - get paper here
  • Chirio, L. & Lebreton, M. 2007. Atlas des reptiles du Cameroun. MNHN, IRD, Paris 688 pp.
  • Chirio, Laurent and Ivan Ineich 2006. Biogeography of the reptiles of the Central African Republic. African Journal of Herpetology 55(1):23-59. - get paper here
  • Duméril, A.M.C., and G. Bibron. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2. Librairie Encyclopédique de Roret, Paris, iv + 680 p. - get paper here
  • Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London
  • Gray, J.E. 1852. Description of a new genus and some new species of tortoises. Proc. Zool. Soc. London 1852: 133-135 - get paper here
  • Gray, J.E. 1860. On the African Trionyces with hidden feet (Emyda). Ann. Mag. Nat. Hist. (3) 6: 440-441 - get paper here
  • Gray,J. E. 1865. On the development of the sternal callosities in Cyclanosteus senegalensis, and on the synonyms of Cyclanosteus and its allied genera. Proc. Zool. Soc. London 1865: 422-428 - get paper here
  • Gray,J. E. 1865. Notice of a new genus and species of the family Trionychidae from Western Africa. Proc. Zool. Soc. London 1865: 323-324 - get paper here
  • Gray,J.E. 1855. Description of a new genus and some new species of tortoises. Ann. Mag. Nat. Hist. (2) 15: 67-69 - get paper here
  • Hoinsoude-Segniagbeto, Gabriel; Roger Bour, Annemarie Ohler, Alain Dubois, Mark-Oliver Rödel, Jean François Trape, Jacques Fretey, Fabio Petrozzi, and Luca Luiselli 2014. Turtles and Tortoises of Togo: Historical Data, Distribution, Ecology, and Conservation. Chelonian Conservation and Biology Dec 2014, Vol. 13, No. 2: 152-165. - get paper here
  • Hughes, B. 1979. Occurrence of the freshwater trionychid turtles Cyclanorbis elegans and C. senegalensis in Ghana. Bull. IFAN 41 (sér. 1, 1): 193-205
  • Hughes, B. 1986. Longevity Records of African Captive Amphibians and Reptiles: Part 1: Introduction and Species List 1 - Amphibians and Chelonians. J. Herp. Assoc. Africa (32): 1-5 - get paper here
  • McCord, W.P. & Joseph-Ouni, M. 2003. Chelonian Illustrations #6. Flapshell and Giant Asian Softshell Turtles. Reptilia (GB) (26): 59-64 - get paper here
  • Padial, J. M. 2006. COMMENTED DISTRIBUTIONAL LIST OF THE REPTILES OF MAURITANIA (WEST AFRICA). Graellsia, 62(2): 159-178 - get paper here
  • Segniagbeto, G.H.; Dekawole, J.K.; Ketoh, G.K.; Dendi, D.; Luiselli, L. 2022. Herpetofaunal Diversity in a Dahomey Gap Savannah of Togo (West Africa): Effects of Seasons on the Populations of Amphibians and Reptiles. Diversity 14: 964
  • Siebenrock, F. 1902. Zur Systematik der Schildkrötenfamilie Trionychidae Bell, nebst der Beschreibung einer neuen Cyclanorbis - Art. Sitzungsber. K. Akad. Wiss. Wien. Math-Naturwiss. Cl. 111: 807-846 - get paper here
  • Siebenrock, F. 1905. Chelonologische Notizen. Zool. Anz. 29: 460-468
  • Siebenrock, F. 1913. Schildkröten aus Syrien und Mesopotamien. Ann. Naturhist. Mus. Wien 27: 171-225 - get paper here
  • Trape, J.F.; Trape, S. & Chirio, L. 2012. Lézards, crocodiles et tortues d'Afrique occidentale et du Sahara. IRD Orstom, 503 pp. - get paper here
  • TTWG [Peter Paul van Dijk, John B. Iverson, Anders G.J. Rhodin, H. Bradley Shaffer, and Roger Bour] 2014. Turtles of the World, 7th Edition: Annotated Checklist of Taxonomy, Synonymy, Distribution with Maps, and Conservation Status. 000.v7. Chelonian Research Monographs (ISSN 1088-7105) No. 5, doi:10.3854/crm.5.000.checklist.v7.2014 - get paper here
  • TTWG; Rhodin, A.G.J., Iverson, J.B., Bour, R., Fritz, U., Georges, A., Shaffer, H.B., and van Dijk, P.P. 2021. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (9th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Stanford, C.B., Goode, E.V., Buhlmann, K.A., and Mittermeier, R.A. (Eds.). Chelonian Research Monographs 8:1–472. doi:10.3854/crm.8.checklist.atlas.v9.2021. - get paper here
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