Pinaxia
genus of molluscs
Pinaxia is a genus of sea snails, marine gastropod molluscs in the family Muricidae, the murex snails or rock snails.
Description
The shell is conical. The spire is short and acute . The aperture is oval-oblong, emarginate anteriorly. The inner lip is flattened, with several transverse plaits in the middle. The outer lip is acute and grooved internally.
Species
Species within the genus Pinaxia include:
Pinaxia coronata (H. Adams, 1853)
Pinaxia versicolor (Gray, 1839)
References
Claremont, M., Vermeij, G. J., Williams, S. T. & Reid, D. G. (2013). Global phylogeny and new classification of the Rapaninae (Gastropoda: Muricidae), dominant molluscan predators on tropical rocky seashores. Molecular Phylogenetics and Evolution. 66: 91–102
External links
Adams, H. & Adams, A. (1853-1858).
Begin with the source’s own compact description: “Pinaxia” is genus of molluscs. The dossier treats that line as a proposition to test through Pinaxia, 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.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated May 18, 2026. The linked authority identifier is Q7194851. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1853, 1839, 2013 and 1858.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. 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 “Pinaxia” 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.