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Pyrgolidium internodulum

species of mollusc

Specimen drawers, botanical folios and brass scientific instruments under study light
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 1, 2026
Entity authorityQ7854240 ↗
Source-derived summary

Pyrgolidium internodula is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

Description

The shell has a rosy color. The length of the shell varies between 3 mm and 7 mm. The whorls of the teleoconch are flattened with straight narrow ribs, becoming evanescent at the periphery of the body whorl. The interspaces are much wider, with two spiral series of nodules.

Distribution

This species occurs in the following locations:

Angola

Cape Verde

European waters (ERMS scope)

Mediterranean Sea

Morocco

Portuguese Exclusive Economic Zone

Senegal

Spanish Exclusive Economic Zone

References

Further reading

Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp.

Editorial summary

This brief starts where responsible research should: with the source description of “Pyrgolidium internodulum” as species of mollusc. Everything that follows is an evidence route, not borrowed authority.

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—2001—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Pyrgolidium, internodulum and species can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the science & nature register because the source frames it as species of mollusc. Its deeper value depends on whether names, dates, institutions and citations support that framing.

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 Sep 1, 2026. The linked authority identifier is Q7854240. None of the 0 selected statements returned an explicit reference. The first chronological checks are 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 “Pyrgolidium internodulum”, its source revision and the description used here.
  2. Expand the search: follow Pyrgolidium internodulum primary sources, Pyrgolidium internodulum archive and Pyrgolidium 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 “Pyrgolidium internodulum”?
  2. Is the terminology current, historical or disputed?
  3. Which observation, specimen, dataset or publication supports the account?
Subject index

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Source & attribution

This entry incorporates text from “Pyrgolidium internodulum” 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.