Characteristics of the order and descriptions of each of the 29 families from the Animal Diversity ...
The Natural History Collection at Edinburgh University provides information on the three main types...
Information from Wikipedia on this endangered species, Plagiodontia aedium, including its descripti...
Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species t...
Photographs and information from ARKive on this sole surviving member of an ancient group of rodent...