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Crenadactylus horni
Species of gecko From Wikipedia, the free encyclopedia
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Crenadactylus horni, the Central Uplands clawless gecko, is a species of gecko endemic to the central desert region of Australia.[3]
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Taxonomy
A species proposed by Arthur H. S. Lucas and Charles Frost, given the name Ebenavia horni to ally the taxon to a clawless gecko species found in Madagascar, basing their description on material collected on the Horn expedition to central Australia.[2] The taxon was later placed as a subspecies of Crenadactylus ocellatus, but re-elevated to species status in a revision of the genus that recognised seven distinguishable species.[4] The type locality was identified as Charlotte Waters in the Northern Territory.[2]
The specific epithet horni is named by Lucas and Frost for the sponsor of the scientific expedition that provided the type specimen, the pastoralist William Austin Horn.[2]
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Description
A species of Crenadactylus, distinguished by superficial details of the scales and coloration.[4] The snout vent length is recorded up to 34.8 mm, a larger and robust species of the relatively smaller genus of geckos. The stripes running the length of the body contrasts a darker colour against the mostly tan and pale brown of the scales.
Records of the habitat at the collection sites indicate an association with spinifex mounds, a dominant vegetation type of the arid centre of Australia.[3] Crenadactylus horni presumed to have become geographically isolated around twenty to thirty million years ago, shown in evidence of ancient genetic divergence, persisting in micro-habitat that has become separated from sister species by the increasingly dry climate of the continent.[4]
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References
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