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Gerrhopilus bisubocularis (BOETTGER, 1893)

IUCN Red List - Gerrhopilus bisubocularis - Data Deficient, DD

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Higher TaxaGerrhopilidae, Typhlopoidea, Serpentes, Squamata (snakes)
Common NamesE: Western Java Worm Snake 
SynonymTyphlops bisubocularis BOETTGER 1893: 336
Typhlops bisubocularis — DE ROOIJ 1917: 13
Typhlops bisubocularis — MCDIARMID, CAMPBELL & TOURÉ 1999: 93
Gerrhopilus bisubocularis — VIDAL et al. 2010
Gerrhopilus bisubocularis — WALLACH et al. 2014: 307 
DistributionIndonesia (W Java)

Type locality: “Westjava”  
TypesHolotype: SMF 16683. 
DiagnosisDescription: Snout rounded, projecting; nostril lateral. Rostral about a third the width of the head; nostril between two nasals, the anterior small and in contact with the first and second labials; praeocular present, longer and narrower than the ocular, separated from the labials by two large suboculars, the anterior smaller than the posterior; borders of eyes not distinct; head scales in three transverse series, broader and nearly two times as long as the scales of the body, especially the praefrontal; four upper labials. Body with 18 scales round the middle; its diameter 44 times in the total length; tail one time and a half as long as broad, with a very small and short spine at the end (de Rooij 1917: 13, citing Boettger 1893).

Color: Dark grey above, each scale with narrow light edges. Lower surface light grey with broad light edges; edges of the head scales, snout, chin, end of tail and some spots of the anal region white (de Rooij 1917: 13, citing Boettger 1893). 
  • Boettger, O. 1893. Neue Reptilien und Batrachier ausWest-Java. Zool. Anz. 16: 334-340. - get paper here
  • de Rooij, N. DE 1917. The Reptiles of the Indo-Australian Archipelago. Il. Ophidia. Leiden (E. J. Brill), xiv + 334 S. - get paper here
  • Lang, Ruud de 2017. The Snakes of Java, Bali and Surrounding Islands. Edition Chimaira, Frankfurt am Main, Germany, 435 pp. - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Vidal, Nicolas; Julie Marin, Marina Morini, Steve Donnellan, William R. Branch, Richard Thomas, Miguel Vences, Addison Wynn, Corinne Cruaud and S. Blair Hedges 2010. Blindsnake evolutionary tree reveals long history on Gondwana. Biology Letters 6: 558–561 - get paper here
  • Wallach, V. 1996. Two new Blind snakes of the Typhlops ater species group from Papua new Guinea (Serpentes: Typhlopidae). Russ. J. Herpetol. 3 (2):107-118. - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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