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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)
Subspecies 
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 1902: 290
Cyclanorbis senegalensis — SIEBENROCK 1905
Cyclanorbis senegalensis — ERNST & BARBOUR 1989: 114
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  
Reproductionoviparous. 
TypesHolotype: MNHN-RA 4151 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1952 characters), are available for collaborators and contributors. Please contact us for details. 
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.

The genus was named after Greek kuklas = encircling and Latin orbis = anything of a circular shape, a disk. 
References
  • 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 <br>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
  • McGovern, P., & Luiselli, L. 2023. Knowledge gaps and conservation priorities for west African chelonians,. Amphibia-Reptilia 44 (2): 121-137 - 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 Schildkrotenfamilie Trionychidae Bell nebst der Beschreibung einer neuen CycIanorbis-Art. Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe, Wien 39: 289-291 - get paper here
  • 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 - get paper here
  • Siebenrock, F. 1913. Schildkröten aus Syrien und Mesopotamien. Ann. Naturhist. Mus. Wien 27: 171-225 - get paper here
  • Spawls, Stephen; Tomáš Mazuch & Abubakr Mohammad 2023. Handbook of Amphibians and Reptiles of North-east Africa. Bloomsbury, 640 pp. - 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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