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Crenadactylus horni (LUCAS & FROST, 1895)

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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common NamesCentral Uplands clawless geckos 
SynonymEbenavia horni LUCAS & FROST 1895
Crenadactylus ocellatus horni - STORR & HAROLD 1978
Crenadactylus horni - WELLS & WELLINGTON 1984
Crenadactylus horni — DOUGHTY et al. 2016 
DistributionAustralia (South Australia, Northern Territory); Type locality: Charlotte Waters, Northern Territory fide Dixon and Kluge (1964), donated to National Museum Victoria, Melbourne, Australia (NMV).  
Reproductionoviparous 
TypesHolotype. NMV D7533, adult female, Camp 4 of the Horn Expedition, by W.B. Spencer, April 1897. Stored in 70% ethanol at NMV. 
CommentSynonymy: This species has been previously synonymized with Crenadactylus ocellatus bilineatus, but revalidated by Doughty et al. 2016.

Diagnosis. A moderately large (to 34.8 mm SVL), robust species of Crenadactylus with wide (HW/HL 0.48– 0.63) and deep (HD/HL 0.28–0.42) head with a long snout (SnL/HL 0.34–0.42). Rostral in full contact with nostril, enlarged internasal extending beyond supranasal, 2 slightly enlarged postmentals, dorsal scales homogeneous, smooth or feebly keeled, 6 pre-cloacal pores, innermost pore-bearing scales separated by an intervening scale, no enlarged tubercles on original tails. Ground colour tan and light brown; dorsal pattern consists of well-defined pale and dark longitudinal stripes, lateral zones pale tan with irregular dark brown stippling, occasionally forming 1 or 2 broken or weakly defined lateral lines; ventrum pale off-white with moderate to weak stippling (Doughty et al. 2016).

Distribution: See map in Doughty et al. 2016: Fig. 2.

Habitat. Collection records for several specimens mention they were taken from spinifex clumps or from under rocks near spinifex, with records also from a rocky gully, rock platforms or outcrops (Doughty et al. 2016). 
EtymologyNamed for William A. Horn, financer and early participant of the Horn Scientific Expedition to central Australia in 1894. 
References
  • DOUGHTY, PAUL; RYAN J. ELLIS, PAUL M. OLIVER 2016. Many things come in small packages: Revision of the clawless geckos (Crenadactylus: Diplodactylidae) of Australia. Zootaxa 4168 (2): 239–278
  • Lucas, A. H. S., and C. Frost. 1895. Preliminary notice of certain new species of lizards from central Australia. Proceedings of the Royal Society of Victoria, 7: 264-269 - get paper here
  • Storr, G.M., & Harold, G. 1978. Herpetofauna of the Shark Bay Region, Western Australia. Rec. West. Aust. Mus. 6 (4): 449-467. - get paper here
  • Wells R W; Wellington C R 1984. A synopsis of the class Reptilia in Australia. Australian Journal of Herpetology 1 (3-4): 73-129 [1983]
 
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