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Heurnia ventromaculata JONG, 1926

IUCN Red List - Heurnia ventromaculata - Data Deficient, DD

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Higher TaxaHomalopsidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Mamberano Mud Snake, Mamberano River watersnake 
SynonymHeurnia ventromaculata JONG 1926: 303
Heurnia ventromaculata — DAAN & HILLENIUS 1966: 138
Heurnia ventromaculata — MURPHY & VORIS 2014: 22
Heurnia ventromaculata — WALLACH et al. 2014: 331 
DistributionIndonesia (Irian Jaya)

Type locality: Pionierbivak, Mamberamo River, NW New Guinea.  
TypesHolotype: ZMA.RENA 11066 
DiagnosisDIAGNOSIS: Internasal separates nasals, loreal and prefrontals fused on each side with narrow contact between right and left sides on mid-line of snout. No other homalopsid snake has this combination of characters (Murphy & Voris 2014: 22).

DIAGNOSIS: Dorsal scales in 27 rows; the internasal is large; prefrontals are fused with the loreals and separate the internasal scale from the frontal; lower postocular extends under the orbit; upper labials eight or nine, with the fifth entering the orbit (n = 1; Murphy & Voris 2014: 22). 
CommentOnly known from the holotype.

Type species: Heurnia ventromaculata JONG 1926 is the type species of the genus Heurnia DE JONG 1926. 
  • Daan, S. & Hillenius,D. 1966. Catalogue of the type specimens of amphibians and reptiles in the Zoological Museum, Amsterdam. Beaufortia 13: 117-144
  • de Jong,J.K. 1926. Heurnia ventromaculata n.g. n. sp. und Cantoria annulata n. sp., wei neue Schlangen von Neu-Guinea. Zool. Anz. 67: 302-304
  • Murphy, J.C. & Voris, H.K. 2014. A Checklist and Key to the Homalopsid Snakes (Reptilia, Squamata, Serpentes), with the Description of New Genera. FIELDIANA: LIFE AND EARTH SCIENCES (8): 1–43 - get paper here
  • Murphy, John C. 2007. Homalopsid Snakes: Evolution in the Mud. Krieger Publishing, Malabar, Florida, 249 pp.
  • O'Shea,M. 1996. A Guide to the Snakes of Papua New Guinea. Independent Publishing, Port Moresby, xii + 239 pp. - 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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