Gerrhopilus depressiceps (STERNFELD, 1913)

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Higher Taxa	Gerrhopilidae, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Lowland beaked blindsnake
Synonym	Typhlops depressiceps STERNFELD 1913: 384 Typhlops depressiceps — DE ROOIJ 1917: 9 Typhlops monochrus VOGT 1932: 293 Typhlops monochrous — LOVERIDGE 1948: 320 (nomen emendatum) Typhlops depressiceps — MCDIARMID, CAMPBELL & TOURÉ 1999: 98 Gerrhopilus depressiceps — VIDAL et al. 2010 Gerrhopilus depressiceps — WALLACH et al. 2014: 308
Distribution	Papua New Guinea, New Britain [HR 32: 61] Type locality: “Neuguinea” (STERNFELD 1913) Type locality: “along Sepik River, New Guinea” (VOGT 1932)
Reproduction	oviparous
Types	Holotype: ZMB 23986, possibly lost (Bauer et al. 2002)
Diagnosis	Diagnosis: This species belongs to Gerrhopilus based on the presence of head glands in the centers of the anterior head shields in addition to their anterior margins (McDowell 1974; Wallach 1996b). A relatively robust (adult L/M = 70) species of Gerrhopilus having the unique combination of a rostrate snout with a transverse keel on the ventral margin of the rostral that extends ventral to the rictus, angle of pre-oral snout in lateral aspect horizontal, distinct pupil in the eye, preocular barely covers the anterior margin of the eye in lateral view, longitudinal scale rows 24/22/20, transverse scale rows posterior to the rostral 649–664, supralabial imbrication pattern T-V, subocular scale single, presubocular scale absent, posterior margin of rostral shallowly concave, prefrontals and supraoculars subequal in size to frontal and parietals and interparietal, subcaudal scales 27–30, L/W ratio 57–67, and tail spine oriented ventrally at an angle of 70 ̊ to axis of anteroventral surface of that terminal scale (and, hence, to body axis). Refer to Table 1 for additional diagnostic qualitative and quantitative features. Additional details (860 characters) are available for collaborators and contributors. Please contact us for details.
Comment
References	Bauer, A.M., Wallach, V., and Günther, R. 2002. An annotated type catalogue of the scolecophidian, alethinophidian, and macrostomatan snakes in the collection of the Museum für Naturkunde der Humboldt-Universität zu Berlin (ZMB). Mitt. Mus. Naturkunde Berlin 78:157-176. - 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 Loveridge, A. 1948. New Guinean reptiles and amphibians in the Museum of Comparative Zoology and United States National Museum. Bull. Mus. Comp. Zool. Harvard 101 (2): 305-430. - 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. O’Shea,M. 1996. A Guide to the Snakes of Papua New Guinea. Independent Publishing, Port Moresby, xii + 239 pp. - get paper here Sternfeld, R. 1913. Beiträge zur Schlangenfauna Neuguineas und der benachbarten Inselgruppen. Sber. Ges. naturf. Berlin 1913: 384-388 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 Vogt,T. 1932. Beitrag zur Reptilienfauna der ehemaligen Kolonie Deutsch-Neuguinea. Sitzungsber. Gesell. Naturf. Freunde Berlin 5-7: 281-294 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.
External links	IUCN Red List Google images

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