Hypsiglena unaocularus Tanner, 1946:74

Clarión nightsnake



Taxonomy & Nomenclature

Synonym/s: Hypsiglena ochrorhyncha unaocularus Tanner, 1946:74


Conservation Status

Last record: 1936?

Rediscovered in May 2013?



Clarión Island (=Isla Clarión), Mexico


Biology & Ecology










Original scientific description:

Tanner, W. W. (1946). A taxonomic study of the genus Hypsiglena. Great Basin Naturalist 5(3-4): 25-92 [printed date: 1944].


Other references:

Mulcahy, D. G., Martínez-Gómez, J. E., Aguirre-León, G., Cervantes-Pasqualli, J. A. and Zug, G. R. (2014). Rediscovery of an Endemic Vertebrate from the Remote Islas Revillagigedo in the Eastern Pacific Ocean: The Clarión Nightsnake Lost and Found. PLoS ONE 9(5): e97682.


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