Umbilicate Sprite - Promenetus umbilicatellus
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Observations in Montana Natural Heritage Program Database
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Berry, S.S. 1916. Notes of Mollusca of central Montana. Nautilus 29:124-128.
- Squyer, H. 1894. List of shells from the vicinity of Mingusville, Montana. The Nautilus 8:63-65.
- Vanatta, E.G. 1914. Montana shells. Proceedings of the Academy of Natural Sciences of Philadelphia 66:367-371.
- Additional Sources of Information Related to "Snails / Slugs"