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Gerrhopilus addisoni KRAUS, 2017

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Higher TaxaGerrhopilidae, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymGerrhopilus addisoni KRAUS 2017
Typhlops depressiceps — WALLACH 1996: 110 
DistributionPapua New Guinea (Milne Bay Province)

Type locality: Panaete Island, Deboyne Group (10.68° S, 152.35° E; 0–50 m a.s.l.), Milne Bay Province, Papua New Guinea.  
Reproductionoviparous 
TypesHolotype: USNM 195953, Adult female, collected on 24 March 1969 by H. Heatwole. 
DiagnosisDiagnosis: 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 = 58) 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 to the body axis, a vestigial eye lacking a distinct pupil, preocular covering two-thirds of the eye in lateral view, longitudinal scale rows 24/22/20, transverse scale rows posterior to the rostral 627, supralabial imbrication pattern T-V, subocular scale one, presubocular scale absent, prefrontals and supraoculars larger than frontal and parietals and interparietal, subcaudal scales 26, L/W ratio 80, and tail spine oriented ventrally at an angle of 90 ̊ 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.


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CommentHabitat: the holotype was collected under the bark of a tree 4.5 m above ground. 
EtymologyThe specific epithet is a genitive honorific for Addison Wynn of the United States National Museum in recognition of his work on scolecophidian snakes. 
References
  • Kraus, Fred 2017. New Species of Blindsnakes (Squamata: Gerrhopilidae) from the offshore islands of Papua New Guinea. Zootaxa 4299 (1): 075–094 - 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
 
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