Hexolobodon phenax Miller, 1929:19

Imposter hutia, Hispaniolan hexolobodon, Haitian hexolobodon



Taxonomy & Nomenclature

Synonym/s: Hexolobodon poolei Rímoli, 1976:21


Hexolobodon poolei was synonymised under H. phenax by (Woods, 1993:803).


Conservation Status


Last record: after 1500 AD; 1600 (Fisher & Blomberg, 2012)

IUCN RedList status: Extinct





Biology & Ecology




Holotype: USNM 253118

Type locality: “small cave near St. Michel [=St. Michel de l'Atalaye]”, Dept. de l’Artibonite, Haiti.


USNM 255881 (almost complete cranium) (holotype of H. poolei)






Original scientific description:

Miller, G. S. (1929) (1930?). Three small collections of mammals from Hispaniola:(with two plates) (Vol. 3109). The Smithsonian Institution.


Other references:

Borroto-Páez, Rafael, Mancina, Carlos A., Woods, Charles A. and Kilpatrick, C. William. (2012). Checklist: Updated Checklist of Endemic Terrestrial Mammals of the West Indies, pp. 389-415. In: Borroto-Páez, Rafael, Woods, Charles A. and Sergile, F. E. (eds.). Terrestrial Mammals of the West Indies: Contributions. Gainesville, Florida: Florida Museum of Natural History and Wacahoota Press. 482 pp.

Cooke, Siobhán B. and Crowley, Brooke E. (2018). Deciphering the isotopic niches of now-extinct Hispaniolan rodents. Journal of Vertebrate Paleontology 38(5): e1510414.

Cooke, Siobhán Bríghid and Crowley, Brooke Erin. (2022). New radiocarbon dates reveal pan-Holocene deposition of rodents at Trouing Jérémie #5, a sinkhole in the western Tiburon Peninsula, Haiti. The Holocene 32(9): 991-997.

Day, David. (1981). The Doomsday Book of Animals: A Natural History of Vanished Species. New York, N.Y.: The Viking Press.

Fisher, Diana O. and Blomberg, Simon P. (2012). Inferring Extinction of Mammals from Sighting Records, Threats, and Biological Traits. Conservation Biology 26(1): 57-67.

Goodwin, Harry A. and Goodwin, J. M. (1973). List of mammals which have become extinct or are possibly extinct since 1600. Int. Union Conserv. Nat. Occas. Pap. 8: 1-20.

Nowak, R. M. (1999). Walker's mammals of the world, 6th edition. Publisher?

Rímoli, R. O. (1976 "1977"). Roedores fosiles de la Hispaniola. Universidad Central del Este, Serie Científica III, San Pedro de Macorís, Dominican Republic. 54 pp., 19 pls.

Turvey, Samuel T. (2009). Holocene mammal extinctions, pp. 41-61. In: Turvey, Samuel T. (ed.). Holocene Extinctions. Oxford, UK & New York, USA: Oxford University Press. xii + 352 pp.

Turvey, Samuel T. and Fritz, Susanne A. (2011). The ghosts of mammals past: biological and geographical patterns of global mammalian extinction across the Holocene. Philosophical Transactions of the Royal Society B: Biological Sciences 366(1577): 2564-2576. [Supplementary Information]

Turvey, S. and Helgen, K. (2008). Hexolobodon phenax. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 26 December 2012.

Turvey, S.T. & Helgen, K. 2018. Hexolobodon phenax. The IUCN Red List of Threatened Species 2018: e.T10034A22187167. Accessed on 19 June 2022.

Upham, Nathan S. (2017). Past and present of insular Caribbean mammals: understanding Holocene extinctions to inform modern biodiversity conservation. Journal of Mammalogy 98(4): 913-917.

Woods, C. A. (1989). The biogeography of West Indian rodents, pp. 741-798. In: Woods, C. A. (ed.). Biogeography of the West Indies: Past, Present, and Future. Gainesville, Florida: Sandhill Crane Press.

Woods, C. A., Borroto, R. and Kilpatrick, C. (2001). Insular patterns and radiations of West Indian rodents, pp. 335–353. In: Woods CA, Sergile FE, eds. Biogeography of the West Indies: patterns and perspectives, 2nd edn. Boca Raton, FL: CRC Press.


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