CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · Science & Nature

Alvania aspera

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 revisionMay 19, 2026
Entity authorityQ1568482 ↗
Source-derived summary

Alvania aspera is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.

Description

The length of the shell varies between 1.5 mm and 3.7 mm.

The shell resembles Alvania lineata, but the decussations are deeper, giving the nodules a rough appearance.

Distribution

This species occurs in the Mediterranean Sea off Tunisia and Greece.

References

External links

Philippi, R. A. (1844). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2.. Halle (Halis Saxorum): Eduard Anton. iv + 303 pp., pls 13-28

Gofas, S.; Le Renard, J.; Bouchet, P. (2001).

Editorial summary

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

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—1844, 2001—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Alvania, aspera 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 “Alvania aspera”, the useful work is to connect “species of mollusc” to the records capable of establishing context and consequence.

Evidence profile

Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated May 19, 2026. The linked authority identifier is Q1568482. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1844 and 2001.

Critical limits

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.

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 “Alvania aspera”, its source revision and the description used here.
  2. Expand the search: follow Alvania aspera primary sources, Alvania aspera archive and Alvania 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 “Alvania aspera”?
  2. Which observation, specimen, dataset or publication supports the account?
  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 “Alvania aspera” 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.