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Alcadia lewisi

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 revisionApr 9, 2026
Entity authorityQ40979085 ↗
Source-derived summary

Alcadia lewisi is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae.

Description

The height of the shell attains 3 mm, its greatest diameter 4.5 mm.

Distribution

This species occurs in the Cayman Islands.

References

External links

Pilsbry, H.A. (1949). "Land mollusks of Cayman Brac". The Nautilus. 63 (2): 37–48.

Clench, W.J. (1964). "Land and freshwater Mollusca of the Cayman Islands, West Indies". Occasional Papers on Mollusks, Museum of Comparative Zoology.

Editorial summary

“Alcadia lewisi” enters the record as species of mollusc. Crown Archives preserves that source wording while asking what Alcadia, lewisi and species can confirm, complicate or overturn.

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—1949, 1964—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Alcadia, lewisi and species.
Editorial analysis

Why this record matters

“Alcadia lewisi” is worth following because a concise public description often conceals a longer documentary argument. Here, Alcadia, lewisi and species provides the most credible route into that argument.

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 Apr 9, 2026. The linked authority identifier is Q40979085. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1949 and 1964.

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 “Alcadia lewisi”, its source revision and the description used here.
  2. Expand the search: follow Alcadia lewisi primary sources, Alcadia lewisi archive and Alcadia 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 “Alcadia lewisi”?
  2. Is the terminology current, historical or disputed?
  3. Has classification or technical consensus changed since the cited source?
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Source & attribution

This entry incorporates text from “Alcadia lewisi” 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.