Heteroliodon occipitalis (BOULENGER, 1896)

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Higher Taxa	Pseudoxyrhophiidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Pseudoxyrhopus occipitalis BOULENGER 1896: 613 Heteroliodon torquatus BOETTGER 1913: 313 Heteroliodon occipitalis — RAXWORTHY & NUSSBAUM 1994 Heteroliodon occipitalis — GLAW & VENCES 1994: 335 Heteroliodon occipitalis — GLAW, VENCES & NUSSBAUM 2005 Heteroliodon occipitalis — WALLACH et al. 2014: 330
Distribution	S/SW Madagascar Type locality: SW Madagascar
Reproduction	oviparous
Types	Holotype: BMNH 1946.1.12.28
Diagnosis	Diagnosis (genus). Aglyphous colubrids; maxillary teeth 12-13; 1-2 posteriormost maxillary teeth enlarged, separated from anterior maxillary teeth by short diastema; dentary teeth 11-14, middle one or two dentary teeth in positions 4-6 greatly enlarged compared to anterior and posterior dentary teeth; loreal scale present; eye large, 0.35-0.54 times head depth at mid-orbit. (Nussbaum & Raxworthy 2000: 491) Additional details (3598 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Heteroliodon torquatus has been synonymized with H. occipitalis by RAXWORTHY & NUSSBAUM (1994). Type species: Pseudoxyrhopus occipitalis BOULENGER 1896: 613 is the type species of the genus Heteroliodon BOETTGER 1913.
References	Boettger, O. 1913. Reptilien und Amphibien von Madagascar, den Inseln und dem Festland Ostafrikas. Pp. 269-375. In: Voeltzkow, A. Reise in Ostafrika in den Jahren 1903-1905. Wissenschaftliche Ergebnisse. Vol. 3. Systematische Arbeiten. Schweizerbart’ sche Verlagsbuchhandlung, Nägele und Sproesser, Stuttgart - get paper here Boulenger, G.A. 1896. Catalogue of the snakes in the British Museum, Vol. 3. London (Taylor & Francis), xiv + 727 pp. - get paper here Cadle, J. E. 1999. The dentation, systematics, and phylogeny of Pseudoxyrhopus and related genera from Madagascar (Serpentes: Colubridae), with description of a new species and a new genus. Bull. Mus. Comp. Zool. Harvard 155 (8): 381-443. - get paper here D'Cruze, Neil; Annette Olsonn, David Henson, Sunil Kumar, and David Emmett. 2009. The Amphibians and Reptiles of the Lower Onilahy River Valley, a Temporary Protected Area in Southwest Madagascar. Herp. Cons. Biol. 4: 62-79 - get paper here Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3) Glaw, F.; Vences, M. & Nussbaum, R.A. 2005. A new species of Heteroliodon (Reptilia: Squamata: Colubridae) from Montagne des Francais, Far Northern Madagascar. Herpetologica 61 (3): 275-280 - get paper here Nussbaum,R.A. & Raxworthy,C.J. 2000. Revision of the Madagascan snake genus Heteroliodon BOETTGER (Reptilia: Squamata: Colubridae). Herpetologica 56 (4): 489-499 - get paper here Raxworthy C J. Nussbaum R A. 1994. A review of the madagascan snake genera Pseudoxyrhopus, Pararhadinaea and Heteroliodon (Squamata: Colubridae). MISCELLANEOUS PUBLICATIONS MUSEUM OF ZOOLOGY UNIVERSITY OF MICHIGAN (182): I-IV + 1-37 - 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.
External links	IUCN Red List National Center for Biotechnology Information Google images

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