Cynisca gansi Dunger, 1968

Okoloma worm lizard



Taxonomy & Nomenclature



Conservation Status


Last record: 1968 or before

IUCN RedList status: Critically Endangered (Possibly Extinct)


As amphisbaenians are fossorial (burrowing) animals, the lack of records of this species are less likely to indicate it's extinction than if it belonged to a less cryptic group.



Eastern Nigeria


Biology & Ecology




Holotype: AMNH 102409

Type locality: ‘‘Okoloma village near Port Harcourt, Eastern Nigeria (4°42’N, 7°27’E)’’



AMNH 102410-102412

CG 3579–3580






Original scientific description:

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.


Other references:

Dunger, G. T. (1969). Amendments and additions. Nigerian Field 34 (1): 48.

Gans, C. (1987). Studies on Amphisbaenians (Reptilia). 7. The small round-headed species (Cynisca) from Western Africa. American Museum Novitates 2896: 1-84.

Gans, C. (2005). Checklist and bibliography of the Amphisbaenia of the world. Bull. Am. Mus. Nat. Hist. 289: 1-130.

Luiselli, L. and Chirio, L. (2013). Cynisca gansi. The IUCN Red List of Threatened Species 2013: e.T203808A2771570. Downloaded on 14 December 2015.

Regalado, Pedro Galán. (2015). Los Anfibios y Reptiles Extinguidos: Herpetofauna Desaparecida Desde el Año 1500. Monografías de la Universidade da Coruña 155: 1-509.


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