Orientogalba viridis
species of mollusc
Orientogalba viridis is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.
Distribution
This species occurs in:
Russian Federation: Kuril Islands
Japan
South Korea
China and Hong Kong
Nepal
Myanmar
Thailand
Vietnam – it widely distributed in northern, central, and southern Vietnam.
Indonesia (Papua)
Papua New Guinea
Philippines
Guam
The nonidigenous distribution of this species includes:
Australia
Description
The shell has 4.5–5 whorls.
The shape of the aperture is regularly oval. The width of the aperture is 3–4 mm. The height of the aperture is 5–6 mm.
The width of the shell is 4–6 mm. The height of the shell is 10–13 mm.
(Described in Latin as Limnea volutata) The shell is small, very finely striated, and tawny in color, possessing a cylindrically ovate shape. The spire is decollated, with only two to three oblique, slightly convex whorls remaining.
Begin with the source’s own compact description: “Orientogalba viridis” is species of mollusc. The dossier treats that line as a proposition to test through Orientogalba, viridis and species, not as a finished interpretation.
Why this record matters
The phrase “species of mollusc” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jun 3, 2026. The linked authority identifier is Q106293109. 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.
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This entry incorporates text from “Orientogalba viridis” 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.