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Montana Field Guide

Montana Field Guides

Prairie Fossaria - Fossaria bulimoides

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status

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General Description
This tolerant little snail (5-10mm) is common in the prairie regions of eastern Montana in temporary habitats such as stock ponds, prairie stream pools and wetlands. It is able to survive dessication by sealing off its aperature (shell opening) and keeping its internal organs moist while it waits for the next rain pools to form. This species generally does better with aqautic vegetation where it crawls along stems of rushes, cattails, etc. feeds on algae and other attached detritus by scraping it with it radula (toothed mouth).

Observations in Montana Natural Heritage Program Database
Number of Observations: 4

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Relative Density



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

Species may be found in intermittent waters including temporary ponds and streams:

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Citation for data on this website:
Prairie Fossaria — Fossaria bulimoides.  Montana Field Guide.  .  Retrieved on , from