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- Kingdom - Animals - Animalia
  - Phylum - Mollusks - Mollusca
    - Class - Snails / Slugs - Gastropoda
      - Order - Terrestrial Snails / Slugs - Stylommatophora
        
        Family - Mountain Snails - Oreohelicidae
        
        Species - Bearmouth Mountainsnail - Oreohelix sp. 3

Bearmouth Mountainsnail - Oreohelix sp. 3

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Special Status Species
Native Species

Global Rank: G1G2Q
State Rank: SU
(see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:

External Links

State Rank Reason (see State Rank above)

Taxonomy of some Oreohelix species remains unresolved, including this species. Species also lacks recent observations and other data used to assess rank. Until these issues are resolved the species is unrankable.

General Description

Medium sized for the genus with up to 5.25 whorls (Frest and Johannes, 1995).

Range Comments

Clark Fork River Valley between Clinton and Garrison (Frest and Johannes 1995).

Migration

Sedentary.

Stewardship Responsibility

Threats or Limiting Factors

Threats include removal of talus for fill and road construction, grazing (pandemic in the area occupied), and roadside spraying; construction and maintenance of I-90 & U.S. HWY 12 and associated roads has impacted sites (Frest and Johannes 1995).

References

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Citation for data on this website:
Bearmouth Mountainsnail — Oreohelix sp. 3. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 4, 2025, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IMGASB5550