Polychaeta
polychaetes
i
2026-08-05: itis_id 64358 via WoRMS external link
Polychaeta is a paraphyletic class of generally marine annelid worms, commonly called bristle worms or polychaetes. Each body segment has a pair of fleshy protrusions called parapodia which bear many chitinous bristles called chaetae, hence their name.W CalCOFI holds 5,607 observations of it in 2 datasets between 1951 and 2026, across 2 taxa under it.R
- 5,607
- observations
- 6,487
- records
- 1,483
- sampling events
- 1951–2026
- years
- 2
- datasets
- 0
- species under it
Observed in 1 dataseti
One row per dataset, and beside it one cell per year, darker with more observations — the same
strip the front door draws per dataset. Each row ends with the name that dataset uses
(dataset_taxon); the accepted name is written once, in the title above. A quiet
pill marks a name the authority does not accept.
i
One row per dataset, and beside it one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.
-
name used: Polychaeta polychaete · code
19
Ways inExplorerdb-queryERDDAPRPythonThis page as JSON
Code and endpoints ERDDAP · R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:883")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:883'").df()Read from taxa.json of release v2026.10.19, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Under it 1 taxon
- sC Errantia1,005
Lineage 3 ranks · Biota to Annelida
Credits silhouette · photo · text
- Silhouette · Scott Hartman · CC0 1.0 · PhyloPic, drawn from Annelida · source
- Photo · Wendy Feltham · CC BY-NC 4.0 · inat · source
- Text · Wikipedia, “Polychaete” · CC BY-SA 4.0 · revision 1368887742
Elsewhere Wikidata · iNaturalist · GBIF
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.19
Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗