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Stegonotus heterurus BOULENGER, 1893

IUCN Red List - Stegonotus heterurus - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesBismarck ground snake 
SynonymStegonotus heterurus BOULENGER 1893: 367
Stegonotus heterurus — O’SHEA 1996
Stegonotus heterurus — WALLACH et al. 2014: 686
Stegonotus heterurus — KAISER et al. 2018: 38 
DistributionPapua New Guinea (Bismarck Archipelago)

Type locality: New Britain (BMNH 1946.1.14.91); Duke of York Island, East New Britain Province (BMNH 1946.1.14.95, 1946.1.15.10). Restricted to Duke of York Island, East New Britain Province, Papua New Guinea by Kaiser et al. 2018 via lectotype designation.  
Reproductionoviparous 
TypesLectotype: BMNH 1946.1.14.95, an adult male. Collected by the Rev. George Brown (1835-1917) between 1875 and 1881. Paralectotypes: BMNH 1946.1.14.91, adult male. Collected by Franz Hübner (1846-1877) between 1875 and 1877. BMNH 1946.1.15.10, adult male. Same collection information as for the lectotype. 
DiagnosisComparison: For a comprehensive comparison of species, especially to the new species Stegonotus ayamaru, see that entry and Kaiser et al. 2019. 
CommentBehavior: nocturnal 
EtymologyFrom the Greek “heteros” [different] and “oura” [tail], presumably indicating that this was at the time of its description the only species of Stegonotus with unpaired subcaudal scales. 
References
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Kaiser, Christine M.; Hinrich Kaiser & Mark O'Shea 2018. The taxonomic history of Indo-Papuan groundsnakes, genus Stegonotus Duméril et al., 1854 (Colubridae), with some taxonomic revisions and the designation of a neotype for S. parvus (Meyer, 1874) Zootaxa 4512 (1): 001–073
  • KAISER, CHRISTINE M.; MARK O’SHEA, HINRICH KAISER 2019. A new species of Indo-Papuan groundsnake, genus Stegonotus Duméril et al., 1854 (Serpentes, Colubridae), from the Bird’s Head Peninsula of West Papua, Indonesia, with comments on differentiating morphological characters Zootaxa 4590 (2): 201-230 - get paper here
  • McDowell, Samuel B. 1972. The species of Stegonotus (Serpentes, Colubridae) in Papua, New Guinea. Zoologische Mededelingen 47: 6-26 - get paper here
  • 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.
  • Werner, F. 1899. Beiträge zur Herpetologie der pacifischen Inselwelt und von Kleinasien. I. Bemerkungen über einige Reptilien aus Neu-Guinea und Polynesien. II. Über einige Reptilien und Batrachier aus Kleinasien. Zool. Anz. 22: 371-375, 375-378 - get paper here
 
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