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Montana Field Guide

Montana Field Guides

Bearmouth Mountainsnail - Oreohelix sp. 3

Native Species

Global Rank: G1G2Q
State Rank: S1S2

Agency Status


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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).


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).

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Citation for data on this website:
Bearmouth Mountainsnail — Oreohelix sp. 3.  Montana Field Guide.  .  Retrieved on , from