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Haitiophis anomalus (PETERS, 1863)

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Higher TaxaDipsadidae, Alsophiini, Colubroidea, Serpentes (snakes) 
Subspecies 
Common NamesHispaniola Racer 
SynonymZamenis anomalus PETERS 1863: 282
Dromicus (Alsophis) anomalus — FISCHER 1888: 37
Dromicus anomalus — BOULENGER 1894: 125
Alsophis anomalus — SCHWARTZ & HENDERSON 1991: 565
Alsophis anomalus — CROTHER 1999
Ocyophis anomalus — ZAHER et al. 2009
Haitiophis anomalus — HEDGES et al. 2009 
DistributionHispaniola (Haiti, W Dominican Republic), Ile de la Tortue, Isla Beata

Type locality: “unbekannt”  
TypesHolotype: ZMB 2269 
CommentType species: Zamenis anomalus PETERS 1863 is the type species of the genus Haitiophis HEDGES & VIDAL 2009.

Diagnosis (genus): The single species in this genus has 21 midbody scale rows, 207–215 ventrals, 113–130 subcaudals, 2 apical scale pits, 8 upper labials, 10 lower labials, 14 total maxillary teeth, and 18–19 dentary teeth (Table 2). Haitiophis differs from all other genera except Alsophis in its high number (21) of midbody scales, and from Alsophis in its low number of total maxillary teeth (14 versus 18–21) and dentary teeth (18–19 versus 21–26).

This species can spread its neck, almost like a cobra.

Diet: anoles and other animals. 
EtymologyEtymology (genus): The generic name is derived from the Taino word Haiti (meaning high mountains) for the entire island now called Hispaniola and refers to the distribution of the genus. 
References
  • Bauer,A.M.; Günther,R. & Klipfel,M. 1995. The herpetological contributions of Wilhelm C.H. Peters (1815-1883). SSAR Facsimile Reprints in Herpetology, 714 pp.
  • Boulenger, George A. 1894. Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. British Mus. (Nat. Hist.), London, xi, 382 pp. - get paper here
  • Crother, Brian I. 1999. PHYLOGENETIC RELATIONSHIPS AMONG WEST INDIAN XENODONTINE SNAKES (SERPENTES; COLUBRIDAE) WITH COMMENTS ON THE PHYLOGENY OF SOME MAINLAND XENODONTINES. Contemporary Herpetology 2 - get paper here
  • Fischer, J.G. 1888. Über eine Kollektion Reptilien und Amphibien von Hayti. Jahrb. Hamburg. Wiss. Anst. 5: 23-45. - get paper here
  • Hedges, S. Blair; Arnaud Couloux; Vidal, Nicolas 2009. Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae). Zootaxa 2067: 1-28 - get paper here
  • Peters, W. 1863. Über einige neue oder weniger bekannte Schlangenarten des zoologischen Museums zu Berlin. Monatsb. Königl. Akad. Wiss. Berlin 1863: 272-289.
  • Powell, Robert ; Henderson, Robert W 1998. Alsophis anomalus (Peters) (Hispaniolan racer). Catalogue of American Amphibians and Reptiles 659: 1-2 - get paper here
  • Schwartz,A. & Henderson,R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Thomas, Richard; Henderson, Robert W.; Powell, Robert; Rodriquez, Pedro Genaro. 2007. Alsophis anomalus (Hispaniolan Brown Racer). Maximum size. Herpetological Review 38 (3): 338-339 - get paper here
  • Zaher, Hussam; Grazziotin, Felipe Gobbi; Cadle, John E.; Murphy, Robert W.; Moura-Leite, Julio Cesar 2009. Molecular phylogeny of advanced snakes (Serpentes, Caenophidia) with an emphasis on South American Xenodontines: a revised classification and descriptions of new taxa. Pap. Avulsos Zool. (São Paulo) 49 (11): 115-153 - get paper here
 
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