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Home - Other Field Guides
- Kingdom - Animals - Animalia
  - Phylum - Mollusks - Mollusca
    - Class - Snails / Slugs - Gastropoda
      - Order - Aquatic Snails - Basommatophora
        
        Family - Sprites / Gyros / Rams-horns - Planorbidae
        
        Species - Two-ridge Rams-horn - Helisoma anceps

Two-ridge Rams-horn - Helisoma anceps

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:

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General Description

We do not yet have descriptive information on this species. Please try the buttons above to search for information from other sources.

Observations in Montana Natural Heritage Program Database

Number of Observations: 101

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Relative Density

Recency

(Observations spanning multiple months or years are excluded from time charts)

Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Hendricks, P., S. Lenard, D.M. Stagliano, and B.A. Maxell. 2013. Baseline nongame wildlife surveys on the Fort Peck Indian Reservation. Report to the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation. Montana Natural Heritage Program, Helena, MT. 83 p.
- Russell, R.H. and R.B. Brunson. 1967. A check-list of molluscs of Glacier National Park, Montana. Sterkiana 26:1-5.
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Ferns and allies

Conifers

Flowering Plants (Dicots)

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Citation for data on this website:
Two-ridge Rams-horn — Helisoma anceps. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 21, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IMGASM6010