CACrown ArchivesThe cinema collection
Menu
Research dossier · Science & Nature

Pupa affinis

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 authorityQ7260651
Source-derived summary

Pupa affinis is a species of small sea snail, a marine gastropod mollusc in the family Acteonidae. It is found in the waters around the North Island of New Zealand.

Description

The shell is 15 mm in length and is usually white, beige, or brown, with or without black markings. It is egg shaped (ovate) with an elevated spire. The columella or central axis of the shell has a large double fold.

Synonyms

Pupa nivea Angas, 1871 : synonym of Pupa affinis (A. Adams, 1855)

Distribution : West Australia

Length : 14 mm

Description : slender, elongate shell with sharp apex; white colored with numerous fine spiral grooves.

Pupa strigosa Gould, 1859

Distribution : Indo-West Pacific, Japan, Taiwan, South China Sea

Length : 13 mm

Description : intertidal to 100 m in sand; white-colored with many black spiral grooves.

Pupa strigosa sekii Habe, 1958

Distribution : Japan

A synonym of this species, described for science by Frederick Hutton, may have been named for New Zealand cephalopod biologist Thomas William Kirk, or his father Thomas Kirk, curator of the Auckland Museum.

References

Dautzenberg, Ph. (1929).

Editorial summary

“Pupa affinis” enters the record as species of mollusc. Crown Archives preserves that source wording while asking what Pupa, affinis 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—1871, 1855, 1859, 1958—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Pupa, affinis and species.
Editorial analysis

Why this record matters

“Pupa affinis” is worth following because a concise public description often conceals a longer documentary argument. Here, Pupa, affinis 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 May 19, 2026. The linked authority identifier is Q7260651. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1871, 1855, 1859 and 1958.

Critical limits

A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “Pupa affinis”, its source revision and the description used here.
  2. Expand the search: follow Pupa affinis primary sources, Pupa affinis archive and Pupa 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 “Pupa affinis”?
  2. Has classification or technical consensus changed since the cited source?
  3. Which observation, specimen, dataset or publication supports the account?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Pupa affinis” 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.