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Crenadactylus naso STORR, 1978

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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Northern clawless gecko 
SynonymCrenadactylus ocellatus naso STORR 1978
Crenadactylus naso — WELLS & WELLINGTON 1984
Crenadactylus ocellatus naso — SHEA et al. 1988
Crenadactylus ocellatus naso — RÖSLER 2000: 64
Crenadactylus naso — DOUGHTY et al. 2016
Crenadactylus naso — ELLIS et al. 2018
Crenadactylus naso — CHAPPLE et al. 2019: 121 
DistributionAustralia (NW Kimberleys, Western Australia, to NE Northern Territory)

Type locality: Crystal Creek, Western Australia (14°30'S, 125°47'E)  
TypesHolotype: WAM R56206, adult male, collected by L.A. Smith and R.E. Johnstone, 2 November 1976. Fixed in 10% formalin, stored in 70% ethanol at WAM. Paratypes (8). WAM R41373–74, Heywood Island, Bonaparte Archipelago, WA (15°20'S, 124°20'E); WAM R43220–21, WAM R43224, Mitchell Plateau, WA (14°57'S, 124°20'E); WAM R56185–87, Crystal Creek, WA (14°30'S, 125°47'E). 
DiagnosisDiagnosis: A small (to 30.7 mm SVL), slender Crenadactylus. Rostral usually in narrow contact with nostril, sometimes excluded (especially in eastern Kimberley), internasals not extending beyond supranasals, gular scales granular, dorsal scales homogeneous and smooth to weakly keeled, 4–8 pre-cloacal pores in contact and forming gradual curve, enlarged tubercles on original tails. Ground colour light grey to dark brown; dorsal pattern consists of weak to well-defined pale and dark longitudinal stripes, dark stripes with scattered single pale scales; lateral zone light grey to tan, ventrum pale grey to off-white, lateral zone and ventrum immaculate to moderately stippled with occasional thin longitudinal lines (Doughty et al. 2016).

Variation. The holotype specimen is somewhat faded and shrivelled, whereas more recently-collected material has more vivid colouration and is in better condition. Within the complex, body size to 30.7 mm SVL, ILL/SVL 39–54%; the rostral-nostril contact varies from narrow to point contact and also exclude in some individuals; rostral groove varied from 0–40%, internasals usually 2 or 3 (occasionally 1 or 4), SupLab and InfLab 7–10; pre- cloacal pores usually 6 (occasionally 4 or 8), innermost pore-bearing scales in contact. Dorsal scales homogeneous, smooth to weakly keeled (Doughty et al. 2016). 
CommentDistribution: See map in Doughty et al. 2016: Fig. 2.

Habitat. Collected from rocky areas with spinifex, including screes, sandstone outcrops and gorges. Numerous specimens were collected by burning spinifex, with occasional records from vine thickets and more open woodland. 
EtymologyA combination of the Latin word crena meaning ‘notch’ and Greek word daktylos meaning ‘finger’ in reference to the forked terminal phalanges.
The specific name ocellatus refers to the pale scattered blotches or ‘ocelli’ on the dorsum. 
  • Chapple, David G.; Reid Tingley, Nicola J. Mitchell, Stewart L. Macdonald, J. Scott Keogh, Glenn M. Shea, Philip Bowles, Neil A. Cox, John C. Z. Woinarski 2019. The Action Plan for Australian Lizards and Snakes 2017. CSIRO, 663 pp. DOI: 10.1071/9781486309474 - get paper here
  • 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 - get paper here
  • Ellis, Ryan J.; Paul Doughty and Aaron M. Bauer 2018. An annotated type catalogue of the geckos and pygopods (Squamata: Gekkota: Carphodactylidae, Diplodactylidae, Gekkonidae, Pygopodidae) in the collection of the Western Australian Museum. Records of the Western Australian Museum 33: 051–094 - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Shea, Glenn M.; Weigel, John; Harwood, A.; Floriani, H.; Hemsley, C. 1988. Notes on the herpetofauna of Mitchell Plateau, Western Australia. Results of the 1987 Australian herpetological Society firld trip to the Kimberleys. Herpetofauna (Sydney) 18 (1): 9-20
  • 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 [31 Dec 1983 on cover]
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