Orientogalba ollula
species of mollusc

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.
“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.
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“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.
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.
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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.