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Orientogalba ollula

species of mollusc

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 3, 2026
Entity authorityQ106293106
Source-derived summary

Orientogalba ollula is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.

Description

The length of the shell attains 8 mm.

(Original description in Latin) The shell is small, thin, and oval in shape, with a greenish horn-like color and a somewhat unpolished surface. It has about four and a half whorls, the last of which is swollen or rounded. The aperture is roundly oval, and the columella is simple, being covered posteriorly with a broad callus.

Distribution

This species occurs in:

China

Hong Kong

Taiwan

Korea

Japan

Philippines

Parasites

In Korea, Orientogalba ollula serves as a first and main intermediate host for the trematode species Echinostoma cinetorchis from the family Echinostomatidae.

Orientogalba ollula also serves as first intermediate host for the fluke Neodiplostomum seoulense in Korea.

References

Yen, T.-C. (1937). The non-marine gastropods of North China. Part II. Publications du Musée Hoangho Paiho de Tien Tsin.

Editorial summary

“Orientogalba ollula” enters the record as species of mollusc. Crown Archives preserves that source wording while asking what Orientogalba, ollula and species can confirm, complicate or overturn.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—1937—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Orientogalba, ollula and species.
Editorial analysis

Why this record matters

“Orientogalba ollula” is worth following because a concise public description often conceals a longer documentary argument. Here, Orientogalba, ollula and species provides the most credible route into that argument.

Evidence profile

Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jun 3, 2026. The linked authority identifier is Q106293106. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1937.

Critical limits

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

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Three-step research path

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  2. Expand the search: follow Orientogalba ollula primary sources, Orientogalba ollula archive and Orientogalba research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from Orientogalba ollula” 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.