Arthropoda
arthropods
i
2026-08-05: itis_id 82696 via WoRMS external link
Arthropods are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated (metameric) segments, and paired jointed appendages.W CalCOFI holds 159,131 observations of it in 6 datasets between 1951 and 2026, across 67 taxa under it.R
- 159,131
- observations
- 170,661
- records
- 1951–2026
- years
- 6
- datasets
- 40
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 2 taxa · Crustacea most observed, in the fold below.
Ways inExplorerdb-queryRPythonThis page as JSON
Code and endpoints R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:1065")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:1065'").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).
Lineage 2 ranks · Biota to Animalia
Credits silhouette · photo · text
- Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Kylinxia zhangi · source
- Photo · Justin Williams · CC BY 4.0 · inat · source
- Text · Wikipedia, “Arthropod” · CC BY-SA 4.0 · revision 1374112514
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 ↗