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Stegonotus cucullatus (DUMÉRIL, BIBRON & DUMÉRIL, 1854)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesE: Slatey-grey snake
G: Schiefernatter 
SynonymLycodon cucullatum DUMÉRIL, DUMÉRIL & BIBRON 1854: 376
Lycodon magnus MEYER 1874: 136
Stegonotus cucullatus — BOULENGER 1893: 365
Stegonotus magnus — LIDTH DE JEUDE 1911: 273
Stegonotus cucullatus — COGGER 1983: 213
Stegonotus cucullatus — COGGER 2000: 627
Stegonotus cucullatus — WILSON & SWAN 2010
Stegonotus cucullatus — WALLACH et al. 2014: 685
Stegonotus cucullatus — KAISER et al. 2018: 12 
DistributionPapua New Guinea (+ FergusonI, Normanby Islands, Woodlark I, Rossel Islands)
Australia (Northern Territory, Queensland), Indonesia (Irian Jaya)

Type locality: “Hâvre Dorey, à la Nouvelle Guinée” [Doreri Bay, West Papua Province, West New Guinea]; corrected to Manokwari area on the Bird’s Head Peninsula of West Papua, Indonesian New Guinea, by Kaiser et al. 2018.  
Reproductionoviparous. 
TypesHolotype: MNHN Paris (= MNHP) 3412, from Dore, Japen Is., Indonesia (as Hâvre Dorey, Nouvefle Guinée).
Holotype: MCG C. E. 7521, from Kei Ils., Indonesia [Lydodon keyensis]
Syntypes: lost, from Biak Is. (as Mysore), Irian Jaya, Indonesia; New Guinea [Lycodon magnus].
Syntypes: BMNH 1946.1.14.87-88, from Fergusson Is., Papua New Guinea [Stegonotus reticulatus]. 
DiagnosisKaiser et al. 2018 “expect members of this species to generally possess values of D = 17-17-15, SLE = 4+5, SL = 8, IL = 9, and ILG = 5, with relatively high ventral and subcaudal scale counts (V > 200, SC > 90). However, we caution our readers that values outside of these parameters may, but probably rarely, occur in conspecifics. The male value of SCR = 0.30 in the holotype is relatively high for the genus.” 
CommentSynonymy after COGGER 1983 and Kaiser et al. 2018, who removed Stegonotus reticulatus BOULENGER 1895 as well as Lydodon keyensis DORIA 1874 from the synonymy of S. cucullatus.

Behavior: nocturnal 
Etymology 
References
  • Boulenger, G. A. 1895. On a collection of reptiles and batrachians from Ferguson Island, D'Entrecasteaux group British New Guinea. Ann. Mag. Nat. Hist. (6) 16: 28-32 - get paper here
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Brown, Gregory P.;Thomas Madsen, Sylvain Dubey, and Rick Shine 2017. The causes and ecological correlates of head scale asymmetry and fragmentation in a tropical snake. Sci Rep. 2017; 7: 11363; doi: 10.1038/s41598-017-11768-y - get paper here
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp.
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • Doria, G. 1875. Enumerazione dei rettili raccolti dal Dott. O. Beccari in Amboina alle Isole Aru ed alle Isole Kei durante gli anni 1872-73. Ann. Mus. Civ. Stor. Nat. Genova 6: 325-357 [1874] - get paper here
  • Dubey, S.; Brown, G.P.; MAdsen, T. & Shine, R. 2008. Male-biased dispersal in a tropical Australian snake (Stegonotus cucullatus, Colubridae). Molecular Ecology 17: 3506–3514
  • DUBEY, SYLVAIN; GREGORY P. BROWN, THOMAS MADSEN and RICHARD SHINE 2008. Characterization of tri- and tetranucleotide microsatellite loci for the slatey-grey snake (Stegonotus cucullatus, Colubridae). Molecular Ecology Resources 8: 431–433
  • Duméril, A.M.C., G. BIBRON & A.H.A. DUMÉRIL 1854. Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 7 (partie 1). Paris, xvi + 780 S. - get paper here
  • Greenbaum, E. 2000. Herpetofaunal observations in disparate habitats in south Sustralia, New South Wales, and queensland, Australia. Herpetological Bulletin (72): 6-16 - get paper here
  • Günther,A. 1872. Seventh account of new species of snakes in the collection of the British Museum. Ann. Mag. Nat. Hist. (4) 9: 13-37 - 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
  • Lidth DE JEUDE, T.W. VAN 1911. Reptilien (Schlangen). Nova Guinea. Résultats de l’expedition scientifique néerlandaise à la Nouvelle Guinée en 1907 sous les auspices de Dr. H.A. Lorenz 9. Leiden (E. J. Brill), pp. 265-287
  • Longman, H.A. 1913. Herpetological Notes. Part I. Systematic. Memoirs of the Queensland Museum Brisbane, 2: 39-45
  • Macleay, W. 1877. The ophidians of the Chevert Expedition. Proceedings of the Linnean Society of New South Wales, 2: 33-41. - get paper here
  • Macleay, W. 1884. Notes on some reptiles from the Herbert River, Queensland. Proc. Linn. Soc. N. S. W. 8: 432-436 - 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
  • Meyer, A.B. 1874. Übersicht über die von mir auf Neu-Guinea und den Inseln Jobi, Mysore und Mafoor im Jahre 1873 gesammelten Amphibien. Monatsber. K. Preuss. Akad. Wiss. Berlin 1874: 128-140 - 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
  • Somaweera, R. 2009. Snakes of Darwin. Poster, University of Sydney
  • Trembath, Dane and Ray Lloyd. 2005. Geographic Distribution: Stegonotus cucullatus (Slatey Grey Snake). Herpetological Review 36 (2):204. - 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. Ueber Reptilien und Batrachier aus Togoland, Kamerun und Deutsch-Neu-Guinea grösstentheils aus dem k. Museum für Naturkunde in Berlin. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 49: 132-157 - get paper here
  • Wilson, David N., Ian J. Morris and Dean C. Metcalfe. 2014. Stegonotus cucullatus (slatey-grey snake) mortality. Herpetological Review 45 (4): 713-714
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
 
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