Mass: 24.1 g based on Smith and Foster 1957 and McNab 1992
Latitudinal range: 35.4° to 60.1°Habitats: temperate broadleaf/mixed forest (7), temperate coniferous forest (2), boreal forest/taiga (3)
Found in 23 samples
Canada: Delta Waterfowl Research Station, Gogama, Churchill (1952), Kinmount, Birds Hill (Plot 1, 1979), Prince Albert Model Forest, Bald Range (old growth), Prince Edward Island National Park, Charlie Lake Cave (Zone IV) (Holocene), Caverne de la Mine (lower infill) (Holocene), LaBiche River Valley
United States: Gingercake Creek, MacIntyre Development (forest habitats), Grand Marais, Welsh Cave (Late Pleistocene), King Leo Pit Cave (Late Pleistocene), Prairie Creek (Zone D) (Late Pleistocene), Robinson Cave (Late Pleistocene), Meyer Cave (Holocene), Bootlegger Sink (Pleistocene - Holocene), Prairie Creek (Zone C) (Pleistocene - Holocene), New Paris Sinkhole No. 4 (Late Pleistocene), Natural Chimneys (Late Pleistocene)
| body mass | 27.4 g | N = 64 | Smith and Foster 1957 |
| body mass | 21.4 g | N = 37 | McNab 1992 |
| body mass | 22.8 g | N = 66 | McNab 1992 |
| ♀ condylobasal length | 25.4 mm | N = 1 | Booth 1945 |
| ♀ condylobasal length | 25.2 mm | N = 7 | Booth 1945 |
| ♀ ear length | 14 mm | N = 10 | Booth 1945 |
| hind foot length | 19.5 mm | N = 64 | Smith and Foster 1957 |
| ♀ hind foot length | 19 mm | N = 1 | Booth 1945 |
| hind foot length | 19 mm | N = 10 | Booth 1945 |
| ♀ skull width | 13.7 mm | N = 7 | Booth 1945 |
| tail length | 40 mm | N = 64 | Smith and Foster 1957 |
| ♀ tail length | 56 mm | N = 1 | Booth 1945 |
| tail length | 50 mm | N = 10 | Booth 1945 |
| total body length | 140 mm | N = 64 | Smith and Foster 1957 |
| ♀ total body length | 157 mm | N = 1 | Booth 1945 |
| total body length | 162.3 mm | N = 10 | Booth 1945 |
| ♀ upper tooth row length | 5.3 mm | N = 1 | Booth 1945 |
| ♀ upper tooth row length | 5.3 mm | N = 7 | Booth 1945 |
See also Clethrionomys, Clethrionomys californicus, Clethrionomys glareolus, Clethrionomys hintonianus, Clethrionomys rutilus