What is "round-tailed muskrat"

n. of Florida wetlands [syn: Florida water rat, Neofiber alleni]

The round-tailed muskrat (Neofiber alleni) is a species of rodent in the family Cricetidae, sometimes called the Florida water rat. The species is monotypic in the genus Neofiber. It is found only in the southeastern United States, where its natural habitat is swamps.