Jamaican Rice Rat

Jamaican Rice Rat

Taxobox
name = Nelson's Rice Rat
status = EX
extinct = 1880s
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = Rodentia
familia = Cricetidae
subfamilia = Sigmodontinae
genus = "Oryzomys"
species = "O. antillarum"
binomial = "Oryzomys antillarum"
binomial_authority = Thomas, 1898The Jamaican Rice Rat ("Oryzomys antillarum") was an extinct species of oryzomyine rodent living on the Greater Antillean island of Jamaica. Its extinction was likely caused by the introduction of the Small Asian Mongoose ("Herpestes javanicus") to the island in 1872; the last known examples were taken in 1877. It is very common in cave deposits along the Jamaican seacoast. It was the only sigmodontine on any of the Greater Antilles.

The dorsum is rufous-colored. The venter is yellowish, without any sharp division. The hands and feet are whitish. The total length is about 250 mm , with the tail being slightly longer than the head-body. The hindfoot length is 29.2 mm and the skull length 30.5 mm.

The Jamaican Rice Rat was originally described as a separate species, then reconsidered a subspecies of the Marsh Rice Rat ("Oryzomys palustris") and retained as a subspecies of Coues's Rice Rat ("Oryzomys couesi") when that species was again considered distinct. Eventually, it was once again recognized as a separate species.

References

* Allen, G. M. 1942. Extinct and Vanishing Mammals of the Western Hemisphere with the Marine Species of All the Oceans. American Committee for International Wildlife Protection, Special Publ. 11, 620 pp.
*
* Weksler, M., A. R. Percequillo, and R.S. Voss. 2006. Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537:1-29.


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