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Cynisca gansi DUNGER, 1968

IUCN Red List - Cynisca gansi - Critically Endangered, CR
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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymCynisca gansi DUNGER 1968: 172
Cynisca gansi — GANS 1987: 37
Cynisca gansi — GANS 2005: 28 
DistributionNigeria

Type locality: ‘‘Okoloma village near Port Harcourt, Eastern
Nigeria (4°42’N, 7°27’E)’’.  
Reproductionoviparous 
TypesHolotype: AMNH 102409 (Dunger, 1968). Paratypes: AMNH 102410–102412, CG 3579–3580. 
DiagnosisDiagnosis: A medium sized member of the genus Cynisca showing major fusions of the head shields, namely fusion of the 1st and 2nd supralabials with the nasal, prefrontal, frontal, preocular and ocular shields. A pair of postfrontals together forming an irregular oval more convex posteriorly than anteriorly-the posterior limits of these postfrontals may be partly or wholly absent resulting in partial or complete fusion with the parietals behind. A pair of large parietals. A pair of small interparietals of regular shape and size. Fusion of the 1st and 2nd supralabials; a large posterior (3rd) supralabial. Fusion of the 1st and 2nd infralabials; a small posterior (3rd) infralabial. Mental fused to the postmental; the postgenials in two rows, an anterior containing 3 segments and a posterior containing 4 segments. Postgenials flanked by symmetrical enlarged malar shields. Body annuli 229-237; lateral annuli 2-4; caudal annuli 22-23 with the constriction for autotomy after the 7th or 8th caudal annulus. Ten precloacal pores in the male and none in the female; 6-8 precloacal and 8-11 post-cloacal segments surround the cloacal slit (from Dunger 1968).


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CommentAbundance: this is one of the species called “lost” and “rediscovered” by Lindken et al. 2024. 
EtymologyNamed after Carl Gans (1923-2009), German-born American herpetologist. See Adler et al. 2010 for obituaries. 
References
  • Adler, K. 2010. Carl Gans (1923–2009) and the Integrative Biology of Reptiles. Herpetological Review 41 (2): 142-150 - get paper here
  • BAUER, AARON M. 2010. Reminiscences of Carl Gans. Herpetological Review 41 (2): 147-148 - get paper here
  • BELL, CHRISTOPHER J. 2010. Carl Gans: The Austin Years 1997–2009. Herpetological Review 41 (2): 148-150 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Dunger, G.T. 1968. The lizards and snakes of Nigeria. Part 5: the amphisbaenids of Nigeria including a description of 3 new species. Nigerian Field 33 (4): 167-192
  • Dunger, G.T. 1969. Amendments and additions. Nigerian Field 34 (1): 48
  • Gans, C. 2005. CHECKLIST AND BIBLIOGRAPHY OF THE AMPHISBAENIA OF THE WORLD. Bull. Am. Mus. Nat. Hist. 289: 1-130 - get paper here
  • Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - get paper here
  • NORTHCUTT, R. GLENN 2010. Carl Gans: The Ann Arbor Years. Herpetological Review 41 (2): 147 - get paper here
  • ROSENBERG, HERB 2010. Carl Gans: The Buffalo Years of 1961–1967. Herpetological Review 41 (2): 144-147 - get paper here
 
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