Pupilla sterrii
species of mollusc
Pupilla sterrii is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.
Distribution
This species has a scattered distribution and occurs in a number of areas including Eurasia: the Alps and Carpathians to Turkey and NW China
Endangered in Germany
Lower concern in Austria
Lower concern in Switzerland
Italy
Vulnerable in the Czech Republic
Slovakia
Poland
Ukraine
In lower altitudes the species is threatened by continuous habitat destructions.
Description
The shell is light horny coloured, weathering grey, finely ribbed. Whorls are strongly convex with deep suture. The aperture is with 2 teeth.
The height of the shell is 2.8-3.5 mm. The width of the shell is 1.6 mm.
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Ecology
Pupilla sterrii lives in grass in very dry and sunny areas of limestone rock, between stones, and on dry meadows on calcareous substrate. In north Italy it occurs up to 2800 m.
This species is Ovoviviparous.
This brief starts where responsible research should: with the source description of “Pupilla sterrii” as species of mollusc. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of mollusc. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Dec 28, 2024. The linked authority identifier is Q7260667. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
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- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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- Expand the search: follow Pupilla sterrii primary sources, Pupilla sterrii archive and Pupilla research across catalogues and specialist indexes.
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Questions for further research
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This entry incorporates text from “Pupilla sterrii” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.