Saint Croix racer

The Saint Croix racer (Borikenophis sanctaecrucis)[2] is a species of snake in the family Colubridae. The species is endemic to Saint Croix, United States Virgin Islands.

Saint Croix racer

Critically endangered, possibly extinct  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Borikenophis
Species:
B. sanctaecrucis
Binomial name
Borikenophis sanctaecrucis
(Cope, 1862)
Synonyms[2]
  • Alsophis sancticrucis
    Cope, 1862
  • Dromicus sanctæ-crucis
    Boulenger, 1894
    (emendation)
  • Alsophis sanctae-crucis
    — Grant, 1937
  • Alsophis sanctaecrucis
    — Schwartz & Henderson, 1991
  • Borikenophis sanctaecrucis
    — Hedges, Couloux & Vidal 2009

Etymology

The specific name, sanctaecrucis, refers to the island of Saint Croix,[3] on which the holotype was collected.[2]

Habitat

The preferred natural habitat of B. sanctaerucis is forest.[1]

Description

B. sanctaecrucis may attain a snout-to-vent length (SVL) of 102.5 cm (3.36 ft). It has smooth dorsal scales, which are arranged in 17 rows at midbody.[4]

The holotype has a total length of 50 in (130 cm), which includes a tail 17 in (43 cm) long.[5]

Reproduction

B. sanctaecrucis is oviparous.[2]

References
  1. Platenberg R, Powell R (2016). "Borikenophis sanctaecrucis". The IUCN Red List of Threatened Species. IUCN. 2016: e.T40791A115177079. doi:10.2305/IUCN.UK.2016-3.RLTS.T40791A71740001.en. Retrieved 15 December 2017.
  2. Species Borikenophis sanctaecrucis at The Reptile Database www.reptile-database.org.
  3. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Alsophis sanctaecrucis, p. 251).
  4. Schwartz A (1996). "Snakes of the Genus Alsophis in Puerto Rico and the Virgin Islands". Studies on the Fauna of Curaçao and other Caribbean Islands 23 (90): 175–227. (Alsophis sancticrucis, pp. 214–217 + Figure 51 on p. 224 & Figure 57 on p. 227).
  5. Cope ED (1860).

Further reading
  • Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II. Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Dromicus sanctæ-crucis, new combination and emendation, p. 122).
  • Cope ED (1862). "Synopsis of the Species of Holcosus and Ameiva, with Diagnoses of new West Indian and South American Colubridæ". Proceedings of the Academy of Natural Sciences of Philadelphia 14: 60–82. (Alsophis sancticrucis, new species, p. 76).
  • Hedges SB, Couloux A, Vidal N (2009). "Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophini (Squamata, Dipsadidae, Xenodontinae)". Zootaxa 2067: 1–28. (Borikenophis sanctaecrucis, new combination).
  • Schwartz A, Henderson RW (1991). Amphibians and Reptiles of the West Indies: Descriptions, Distributions, and Natural History. Gainesville: University of Florida Press. 720 pp. ISBN 978-0813010496. (Alsophis sanctaecrucis, p. 576).
  • Schwartz A, Thomas R (1975). A Check-list of West Indian Amphibians and Reptiles. Carnegie Museum of Natural History Special Publication No. 1. Pittsburgh, Pennsylvania: Carnegie Museum of Natural History. 216 pp. (Alsophis sancticrucis, p. 173).



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