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Anilios systenos ELLIS & DOUGHTY, 2017

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Higher TaxaTyphlopidae (Asiatyphlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Sharp-snouted Blindsnake 
SynonymAnilios systenos ELLIS & DOUGHTY in ELLIS et al. 2017
Anilios systenos — TIATRAGUL et la. 2023 
DistributionAustralia (Western Australia)

Type locality: 15 km east of Geraldton (28°46'S; 114°37'E), Western Australia.  
Reproductionoviparous 
TypesHolotype: WAM R114892, subadult male collected in 1992 by T. Backshall. Paratypes (3). WAM R1734, Newmarracarra, 21 km east of Geraldton (28°43'S; 114°49'E); WAM R113398, locality and collection data unknown; WAM R114893, 15 km east of Geraldton (28°46'S; 114°37'E), Western Australia. 
DiagnosisDiagnosis: A moderately long, slender Anilios to about 270 mm total length. Distinguished from all other Anilios by a combination of midbody scales in 18 rows, dorsal body scales 598–621, snout bluntly angular in profile, tapering to a rounded point, snout tapering to a narrow rounded edge with faint trilobed appearance in dorsal view, hardened anterior rostral edge extending slightly ventrally to form a weak hook, nasal cleft originating from second supralabial, extending anteriorly to reach nostril and terminating at rostral scale, presence of a terminal tail spine, colouration pale with dorsum slightly darker than ventrum and lack of any black pigment on head, body or tail. 
Comment 
EtymologyDerived from the Greek word systenos, meaning ‘tapering to a point’ in reference to the tapering appearance of the head and snout to a rounded point when viewed dorsally. 
References
  • ELLIS, RYAN J.; PAUL DOUGHTY, STEPHEN C. DONNELLAN, JULIE MARIN & NICOLAS VIDAL 2017. Worms in the sand: Systematic revision of the Australian blindsnake Anilios leptosoma (Robb, 1972) species complex (Squamata: Scolecophidia: Typhlopidae) from the Geraldton Sandplain, with description of two new species. Zootaxa 4323 (1): 001–024 - get paper here
  • Tiatragul, S., Skeels, A., & Keogh, J. S. 2023. Paleoenvironmental models for Australia and the impact of aridification on blindsnake diversification. Journal of Biogeography, 50, 1899–1913 - get paper here
 
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