Neotamias cratericus
| Crater Chipmunk
(Neotamias cratericus) | |
|---|---|
| Range | |
 | |
| Taxonomic classification | |
| Order: | Rodentia |
| Suborder: | Sciuromorpha |
| Family: | Sciuridae |
| Subfamily: | Xerinae |
| Tribe: | Tamiini |
| Genus: | Neotamias |
| Binomial details | |
| Neotamias cratericus (Blossom, 1937) | |
| Other resources | |
| Full taxonomic details at MDD | |
The Crater Chipmunk (Neotamias cratericus) is known only from around the extensive Craters of the Moon lava flow. It was formerly considered a supspecies of Neotamias amoenus.
Description
From Blossom (1937) for type specimen: "Type: top of head Drab, washed with Cinnamon; two upper dark facial stripes Chaetura Drab, lower one, Fuscous; three dark median dorsal stripes black, lightly washed with Cinnamon, outer pair Fuscous Black, heavily overlaid with Sayal Brown; median pair of light dorsal stripes Smoke Gray, outer pair Light Smoke Gray; sides between Cinnamon aiid Piiilrish Cinnamon; rump and thighs Smoke Gray, lightly washed with Cinnamon; tail above Chaetura Black, lightly mixed with Light Pinkish Cinnamon, and edged with Warm-Buff; tail beneath Cinnamon, margined with Chaetura Black and edged with Cinnamon-Buff; feet Vinaceous-Buff; underparts Pale Gull Gray."
External measurements
Length measurements are in millimeters (mm) and weight measurements are in grams (g), unless stated otherwise. If available, the sample size (n=) is provided. If a range is not provided and n= is not given, then the listed measurement represents an average.
| Part of range | Reference | Total length | Tail length | Hindfoot length | Ear length | Mass |
|---|---|---|---|---|---|---|
| Idaho | Blossom (1937) | 203-220 (n=16) | 85-97 (n=16) | 29.0-32.6 (n=16) | 16.6-18.0 (n=16) |
Skull
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Holotype: UMMZ:Mammals:78001. Crater Chipmunk (Neotamias cratericus). Adult female. Grassy Cone, Craters of the Moon National Monument, Butte County, Idaho. Collected 3 October 1936. Dorsal view of the skull. © University of Michigan Museum of Zoology (UMMZ) -
Holotype: UMMZ:Mammals:78001. Crater Chipmunk (Neotamias cratericus). Adult female. Grassy Cone, Craters of the Moon National Monument, Butte County, Idaho. Collected 3 October 1936. Ventral view of the skull. © University of Michigan Museum of Zoology (UMMZ) -
Holotype: UMMZ:Mammals:78001. Crater Chipmunk (Neotamias cratericus). Adult female. Grassy Cone, Craters of the Moon National Monument, Butte County, Idaho. Collected 3 October 1936. Lateral view of the skull. © University of Michigan Museum of Zoology (UMMZ) -
Holotype: UMMZ:Mammals:78001. Crater Chipmunk (Neotamias cratericus). Adult female. Grassy Cone, Craters of the Moon National Monument, Butte County, Idaho. Collected 3 October 1936. Dorsal view of the mandible. © University of Michigan Museum of Zoology (UMMZ) -
Holotype: UMMZ:Mammals:78001. Crater Chipmunk (Neotamias cratericus). Adult female. Grassy Cone, Craters of the Moon National Monument, Butte County, Idaho. Collected 3 October 1936. Lateral view of the left mandible. © University of Michigan Museum of Zoology (UMMZ)
Similar species
References
Blossom PM. 1937. Description of a race of chipmunk from south central Idaho. Occasional Papers of the Museum of Zoology, University of Michigan 366:1-3.
Herrera ND, Bell KC, Callahan CM, Nordquist E, Sarver BAJ, Sullivan J, Demboski JR, Good JM. 2022. Genomic resolution of cryptic species diversity in chipmunks. Evolution 76(9):2004-2019. https//:doi:10.1111/evo.14546