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Ramphotyphlops supranasalis (BRONGERSMA, 1934)

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Higher TaxaTyphlopidae (Asiatyphlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Common Names 
SynonymTyphlops supranasalis BRONGERSMA 1934
Ramphotyphlops supranasalis — WALLACH 1996
Ramphotyphlops supranasalis — MCDIARMID, CAMPBELL & TOURÉ 1999: 74
Ramphotyphlops supranasalis — HEDGES et al. 2014
Ramphotyphlops supranasalis — WALLACH et al. 2014: 630 
DistributionIndonesia: Salawati Island

Type locality: "Salawatti" [Salawati Island].  
TypesHolotype: RMNH 6291. 
DiagnosisOriginal description: Snout rounded, strongly projecting. Nostril latero-inferior, about equidistant from rostral and preocular. Nasal incompletely or nearly completely divided, the cleft proceeding from the second upper labial. Besides the usual nasal cleft, which divides the nasal in an anterior and a posterior part, there is a transverse suture, which divides the nasal in a lower part (nasal B. 8.) and an upper part (supranasal). At the point where this suture reaches the rostral, this shield is more or less angular. Rostral not reaching the level of the eyes, its width contained 2.1-2.4 times in the width of the head. Preocular present, in contact with the second and third upper labials, its suture with the second labial about horizontal. Ocular in contact with the third and fourth upper labial. Head-scales enlarged. Eyes distinct. Body with 22 scales round the middle, its diameter contained 45.2-45.6 times in the total length. Length of tail contained 30.7-31.1 times in the total length; tail 1.9--2.0 times as long as broad, ending in a spine. (Brongersma 1934: 191)

Colour (in alcohol): brownish above (9 scale-rows), yellowish below. Snout yellow, with a small median dark spot on the rostral. (Brongersma 1934: 191)

Comparisons: This species is very closely related to T. flaviventer from which it differs in the shape of the rostral and the supranasals. (Brongersma 1934: 191) 
  • Brongersma,L.D. 1934. Contributions to Indo-Australian herpetology. Zoologische Mededelingen 17: 161-251 - get paper here
  • Hedges, S.B., Marion, A.B., Lipp, K.M., Marin, J. & Vidal, N. 2014. A taxonomic framework for typhlopid snakes from the Caribbean and other regions (Reptilia, Squamata). Caribbean Herpetology 49: 1–61 - 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.
  • Ukuwela, K.D.B., de Silva, A., Sivaruban, A. et al. 2022. Diversity, distribution, and natural history of the marine snakes of Sri Lanka. Marine Biodiversity 52, 24 (2022) - get paper here
  • Wallach, V. 1996. The systematic status of the Ramphotyphlops flaviventer (PETERS) complex (Serpentes: Typhlopidae). Amphibia-Reptilia 17 (4): 341-359. - 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.
  • Wallach, Van; Richard Gemel 2019. Discovery of two rare specimens of Ramphotyphlops (Serpentes: Scolecophidia: Typhlopidae) in the collection of the Naturhistorisches Museum Wien. Russ. J. Herpetol. 26 (1): 54-56 - get paper here
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