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The round-tailed muskrat (Neofiber alleni) is a species of rodent in the family Cricetidae, sometimes called the Florida water rat. [2] The species is monotypic in the genus Neofiber . It is found only in the southeastern United States, where its natural habitat is swamps .
Ondatra zibethicus is the only extant species in the genus Ondatra; its closest relative is the round-tailed muskrat (Neofiber alleni). It is the largest species in the subfamily Arvicolinae, which includes 142 other species of rodents, mostly voles and lemmings.
The round-tailed muskrat (N. alleni) is only found in Florida and adjacent Georgia, just outside of the range of O. zibethicus. Some authorities place both genera in different tribes (Ondatrini for Ondatra , Neofibrini for Neofiber ), but the American Society of Mammalogists places both in Ondatrini, and some molecular evidence supports a close ...
Round-tailed muskrat, Neofiber alleni [n 4] LC; Muskrat, Ondatra zibethicus [n 4] LC; Western heather vole, Phenacomys intermedius [n 4] LC; Eastern heather vole, Phenacomys ungava [n 1] LC; Northern bog lemming, Synaptomys borealis [n 4] LC; Southern bog lemming, Synaptomys cooperi [n 4] LC
The muskrat or common muskrat [1] (Ondatra zibethicus) is a medium-sized semiaquatic rodent native to North America and an introduced species in parts of Europe, Asia, and South America. Quick Facts Conservation status, Scientific classification ...
The most convenient distinguishing feature of the Arvicolinae is the nature of their molar teeth, which have prismatic cusps in the shape of alternating triangles. These molars are an adaptation to a herbivorous diet in which the major food plants include a large proportion of abrasive materials such as phytoliths; the teeth get worn down by abrasion throughout the adult life of the animal and ...
A lemming is a small rodent, usually found in or near the Arctic in tundra biomes.Lemmings form the subfamily Arvicolinae (also known as Microtinae) together with voles and muskrats, which form part of the superfamily Muroidea, which also includes rats, mice, hamsters and gerbils.
Florida bog lemming (S. australis Simpson 1928) [4]; Bunker's bog lemming (S. bunkeri Hibbard 1939) [3] [4]Morgan's bog lemming (S. morgani Martin et al. 2003) [3]A number of other fossil species have been included here but have since been transferred to other genera, such as Mictomys [5] and Praesynaptomys.