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Cynisca kigomensis DUNGER, 1968

IUCN Red List - Cynisca kigomensis - Critically Endangered, CR

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Squamata
Subspecies 
Common Names 
SynonymCynisca kigomensis DUNGER 1968: 168
Cynisca kigomensis — GANS 2005: 28 
DistributionN Nigeria (Kigom Hills)

Type locality: ‘‘on the western escarpment of the Jos Plateau in the Kigom Hills, Northern Nigeria (approx. 98479N, 88339E)’’.  
Reproductionoviparous 
TypesHolotype: AMNH 102424 (Dunger, 1968). Paratype: AMNH 102425. 
DiagnosisDiagnosis: A medium-sized member of the genus Cynisca showing major fusion of the head shields, namely fusion of the 1st and 2nd supralabials with the nasal,prefrontal, frontal, and preocular shields. A pair of separate ocular shields, each in contact posteriorly with the upper half of the anterior margin of the posterior (3rd) supralabial and the outer half of the anterior margin of the postfrontal. A pair of postfrontals and a pair of large parietals; a small pair of interparietals of irregular shape and unequal size. Fusion of the 1st and 2nd supralabials; a posterior (3rd) larqe 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 and a posterior each containing 4 segments. Postgenials flanked by enlarged malar shields.
Body annuli 258; lateral annuli 4; caudal annuli 20-21 with an autotomy constriction after the 7th. 8 precloacal pores in the male, none in the female; 6-8 precloacal segments and 8 postcloacal segments surround the cloacal slit. Segments in a midbody annulus 26-28, 14 dorsal and 12-14 ventral (from Dunger 1968).

Diagnosis: Gans 1987: 41 
CommentAbundance: only known from its original description (Meiri et al. 2017). 
EtymologyNamed after the type locality. 
References
  • 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
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
 
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