Hysteroconcha lupanaria
species of mollusc
Hysteroconcha lupanaria is a species of marine bivalve mollusc in the family Veneridae, the Venus clams.
Description
The shell of this species is unusual in that it has a double series of long, curved spines on the posterior slope of each valve. A closely related species which occurs in the Western Atlantic is Pitar dione.
Distribution
This species is found in the Eastern Pacific Ocean.
References
Huber, M. (2010). Compendium of bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM.
Coan, E. V.; Valentich-Scott, P. (2012).
Begin with the source’s own compact description: “Hysteroconcha lupanaria” is species of mollusc. The dossier treats that line as a proposition to test through Hysteroconcha, lupanaria 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 May 19, 2026. The linked authority identifier is Q13730811. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2010 and 2012.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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Questions for further research
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This entry incorporates text from “Hysteroconcha lupanaria” 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.