Chaetopterus norvegicus
species of parchment worm

Chaetopterus norvegicus is a species of parchment worm, a marine polychaete in the family Chaetopteridae.
It is found in the North Sea and Arctic waters around Norway and the west coast of Sweden at depths of 30 to 550 m (100 to 1,800 ft).
Taxonomy
Chaetopterus norvegicus was formerly synonymized with C. variopedatus, but Moore et al. (2020) recognized it as a distinct species.
“Chaetopterus norvegicus” enters the record as species of parchment worm. Crown Archives preserves that source wording while asking what Chaetopterus, norvegicus and species can confirm, complicate or overturn.
Why this record matters
“Chaetopterus norvegicus” is worth following because a concise public description often conceals a longer documentary argument. Here, Chaetopterus, norvegicus and species provides the most credible route into that argument.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated May 20, 2026. The linked authority identifier is Q135615992. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2020.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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.
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This entry incorporates text from “Chaetopterus norvegicus” 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.