CACrown ArchivesThe cinema collection
Menu
Research dossier · Science & Nature

Purpuradusta gracilis

species of mollusc

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 21, 2026
Entity authorityQ6785617 ↗
Source-derived summary

Purpuradusta gracilis is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.

Subspecies

Purpuradusta gracilis gracilis (Gaskoin, J.S., 1849)

forma : Purpuradusta gracilis gracilis japonica (f) Schilder, F.A., 1931

Purpuradusta gracilis jamila Lorenz, 1998

Purpuradusta gracilis macula (Angas, G.F., 1867

forma : Purpuradusta gracilis macula hilda (f) Iredale, T., 1939

Purpuradusta gracilis nemethi Van Heesvelde, J., 2010

Purpuradusta gracilis notata (Gill, 1858)

forma : Purpuradusta gracilis notata jamila (f) Lorenz, F. Jr. & A. Hubert, 1993

Description

The length of the shell attains 14.9 mm.

Distribution

This species is distributed in the European waters and in the Indian Ocean along Aldabra, Chagos, Kenya, the Mascarene Basin, Mauritius, Réunion, the Seychelles, Somalia, South Korea and Tanzania.

References

Notes

Burgess, C.M. (1970). The Living Cowries. AS Barnes and Co, Ltd. Cranbury, New Jersey

Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001).

Editorial summary

The public source identifies “Purpuradusta gracilis” as species of mollusc. This brief keeps that definition visible, then builds a research path around Purpuradusta, gracilis and species.

Editorial reviewA practical orientation to terminology and classification, particularly when read beside dated observations, specimens or technical literature. The current lead gives the account dated anchors—1849, 1931, 1998, 1867—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Purpuradusta, gracilis and species providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Purpuradusta gracilis”, the useful work is to connect “species of mollusc” to the records capable of establishing context and consequence.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jul 21, 2026. The linked authority identifier is Q6785617. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1849, 1931, 1998 and 1867.

Critical limits

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.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Purpuradusta gracilis”, its source revision and the description used here.
  2. Expand the search: follow Purpuradusta gracilis primary sources, Purpuradusta gracilis archive and Purpuradusta research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Purpuradusta gracilis”?
  2. Is the terminology current, historical or disputed?
  3. Has classification or technical consensus changed since the cited source?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Purpuradusta gracilis” 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.