mammal genus - a genus of mammals

Cricetidae, family Cricetidae - mostly small New World rodents including New World mice and lemmings and voles and hamsters

meadow mouse, meadow vole, Microtus pennsylvaticus - widely distributed in grasslands of northern United States and Canada

Microtus richardsoni, Richardson vole, water vole - of western North America

Microtus ochrogaster, prairie vole - typical vole of the extended prairie region of central United States and southern Canada