Diaugasma epicharta
species of gastropod
Diaugasma epicharta is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 5 mm, and its diameter 1.75 mm.
The small oblong-fusiform shell is semi-pellucid. It is unicolorous white, or flecked with pale straw-colored spots. It contains six whorls of which three in the protoconch. These are closely and very finely cancellate. The subsequent whorls are slightly ventricose and almost smooth. The very delicate and irregular spiral striation across the whorls is almost evanescent. The body whorl is smooth centrally. The narrow aperture is oblong.
Begin with the source’s own compact description: “Diaugasma epicharta” is species of gastropod. The dossier treats that line as a proposition to test through Diaugasma, epicharta and species, not as a finished interpretation.
Why this record matters
The phrase “species of gastropod” 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 26, 2026. The linked authority identifier is Q61693325. None of the 0 selected statements returned an explicit reference.
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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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
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Questions for further research
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This entry incorporates text from “Diaugasma epicharta” 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.