Woods, Charles A., ed. Biogeography of the West Indies: Past, Present, and Future. Gainesville, FL: Sandhill Crane Press, 1989.


Biknevicius A., D. A. McFarlane, and R. D. E. MacPhee.

"Body size in Amblyrhiza inundata (Rodentia; Caviomorpha) an extinct megafaunal rodent from the Anguilla Bank, West Indies: estimates and implications." American Museum Novitates 3079 (1993): 1-25.

Burness, G., J. Diamond, and T. Flannery. "Dinosaurs, dragons, and dwarfs: The Evolution of Maximal Body Size." Proceedings of the National Academy of Sciences, USA 98 (2001): 14518-14523.

Buskirk, R. E. "Zoogeographic Patterns and Tectonic History of Jamaica and the Northern Caribbean." Journal of Biogeography 12 (1985): 445-461.

Huyghe, P. "A Brobdingnagian Rodent (Giant Rodent Amblyrhiza Inundata)." Omni (March 1, 1994).

MacPhee, R. D. E. "Quaternary Mammal Localities and Heptaxodontid Rodents of Jamaica." American Museum Novitates 2803 (1984): 1-34.

McFarlane, D. A., R. D. E. MacPhee, and D. Ford. "Body Size Variability and a Sangamonian Extinction Model for Amblyrhiza, a West Indian Megafaunal Rodent." Quaternary Research 50 (1998): 80-89.

Morgan, G. S., and C. A. Woods. "Extinction and

Zoogeography of West Indian Land Mammals." Biological Journal of the Linnean Society 28 (1986): 167-203.


"Heptaxodontidae." Animal Diversity Web. <http:// rodentia/heptaxodontidae.html>.

"Amblyrhiza Inundata: Giant Fossil Rat." Bob Green's Anguilla News. <>.

Kevin F. Fitzgerald, BS

Class Mammalia Order Rodentia Suborder Hystricognathi Family Myocastoridae



Xv \ f^^

Large, semi-aquatic rodent with a reddish to yellowish brown outercoat and a thick, gray undercoat

■ / i-

Head and body length 1.4-2.1 ft (43.0-63.5 cm), tail 0.8-1.4 ft (25.5-42.5 cm), weight 11-22 lb (5-10 kg), can occasionally reach 37 lb (17 kg), with males generally larger than females


Number of genera, species

1 genus; 1 species

Prefers remote, shallow inland bodies of water such as ponds, slow-moving rivers, lakes, and swampy or marshy areas

J /

Not threatened


Native to southern South America, introduced to Europe, Asia, Africa, and North America

0 0

Post a comment