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Boreal Marstonia
Marstonia lustrica
Marstonia lustrica is a species of very small freshwater snail which has an operculum, an aquatic prosobranch gastropod mollusc in the family Hydrobiidae....
From the article Marstonia lustrica on Wikipedia (CC BY-SA), quoted section by section
Description
The length of the shell attains 4 mm, its diameter 2 mm. (Original description as Amnicola oneida) The shell is typically more slender than Marstonia lustrica. It is turrito-conic, narrowly umbilicate, and corneous with minute striations. The shell contains six whorls. The apex is slightly obtuse, but the first whorl projects noticeably, similar to Marstonia lustrica. The whorls are highly convex, separated by a deep suture. The aperture is ovate and small, with its length exceeding three times the shell's length. The upper extremity of the aperture is narrowly rounded. The peristome is continuous, thin, and contacts the preceding whorl very briefly above.
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Marstonia lustrica in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 224461.