Cuphosolenus
genus of molluscs
Cuphosolenus is a genus of extinct small to medium-sized sea snails, marine gastropod mollusks in the family Aporrhaidae and the superfamily Stromboidea, known from the Jurassic and lower Cretaceous periods. Cuphosolenus was named by Edouard Piette in 1876.
Etymology
Cuphosolenus is from the Greek Κυφός σωλήν, or "bent canal," referring to the curved anterior siphonal canal.
Spelling
In 1887, Paul Fischer “emended” the spelling of the name to Cyphosolenus. In 1891, Piette accepted Fischer’s use of Cyphosolenus in the text of Paléontologie Française ou Description des Fossiles de la France, etc., Vol. III (text), p. 376 ff. This change in spelling has been described as an unjustified emendation under the rules of the International Code of Zoological Nomenclature and scientists today generally call the genus Cuphosolenus, following the original spelling.
Description
The genus includes Aporrhaidae shells with three long, thin finger-like extensions from the aperture and an extended, curved siphonal canal. The original description described the shell as having (translation from the French), "a semi-palmate lip, three digits, the posterior one of which is weakly attached to the spire, inner lip of columella thick, and siphonal canal bent or curved at the end".
Begin with the source’s own compact description: “Cuphosolenus” is genus of molluscs. The dossier treats that line as a proposition to test through Cuphosolenus, genus and molluscs, not as a finished interpretation.
Why this record matters
The phrase “genus of molluscs” 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.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Aug 19, 2026. The linked authority identifier is Q5194488. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1876, 1887 and 1891.
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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Three-step research path
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This entry incorporates text from “Cuphosolenus” 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.