Marginella senegalensis
species of mollusc
Marginella senegalensis is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
Description
Original description: "Shell of large size for the genus, pyriformly ovate, solid. Entire shell is covered with nondescript pink to grey lace color pattern, leaving random open spaces of ivory color roughly triangular in shape, with two wide interrupted black spiral bands and 4-6 randomly placed fine black bands, also interrupted and composed mostly of black dots. Spire elevated, conical, consisting of four and one half whorls. Apex rounded. Aperture wide, extending four-fifths of the shell. Outer lip ivory in color and spotted with 15-20 pink and grey dashes, curved and slightly bent near the shoulder, distinctly reflected, mostly smooth with just a hint of denticles within. Four heavy oblique folds, equally spaced starting high on the columella."
Shell size 30 mm.
Begin with the source’s own compact description: “Marginella senegalensis” is species of mollusc. The dossier treats that line as a proposition to test through Marginella, senegalensis 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.
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 19, 2026. The linked authority identifier is Q6760555. None of the 0 selected statements returned an explicit reference.
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 “Marginella senegalensis” 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.