Friday, April 8, 2016

Yellow-tailed Gecko, Gonatodes albogularis (Family Sphaerodactylidae)

The status of this lizard on Trinidad and Tobago is uncertain. There are museum specimens from both islands. It seems likely that these are misidentified Gonatodes humeralis. The specimens are either eggs or hatchlings and the only way to separate the two species is the number of lamellae on the fourth toe. The ranges for both species are continuous so it is likely the counts are wrong or the actual range of the number of lamellae overlap.

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