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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 - Thicklip Rams-horn - Planorbula armigera

Thicklip Rams-horn - Planorbula armigera

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
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General Description

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Observations in Montana Natural Heritage Program Database

Number of Observations: 1

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Relative Density

Recency

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

Habitat

Planorbids tend to occur in bodies of water with a firm mud bottom and high levels of decaying organic matter. Most species seem to prefer lentic habitats (lakes, wetland or ponds). With the exception of Helisoma anceps which occurs more often in river pools, they prefer minimal current. Planorbid snail are scrapers of benthic surface and have been shown to eat bacterial films and algae.

References

Additional ReferencesLegend: View Online Publication
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- 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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Citation for data on this website:
Thicklip Rams-horn — Planorbula armigera. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 19, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IMGASN0020