CalCOFI.io CalCOFI.io open data ecosystem

Gnathostomata

Infraphylumaccepted · checked 2026-08-05WoRMS 1828ITIS 157978key worms:1828
i

2026-08-05: itis_id 157978 via WoRMS external link

Gnathostomata are jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all extant vertebrates, including all living bony fishes and cartilaginous fishes, as well as extinct prehistoric fish such as placoderms and acanthodians.W CalCOFI holds 584,991 observations of it in 5 datasets between 1951 and 2023, across 989 taxa under it.R

584,991
observations
952,705
records
1951–2023
years
5
datasets
632
species under it
Nerepisacanthus denisoni (Acanthodii), Bothriolepis canadensis (Placodermi); Mobula alfredi, Carcharodon carcharias (Chondrichthyes); Perca flavescens (Actinopterygii), Latimeria chalumnae (Sarcoptery
Photo · Danielle Dufault Citron Jaine FRA, Couturier LIE, Weeks SJ, Townsend KA, Bennett MB, et al. Elias Levy Hadal JaffaFalcon · Public domain · commons

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 2 taxa · Osteichthyes most observed, in the fold below.

Ways inExplorerdb-queryRPythonThis page as JSON

Code and endpoints R · Python · JSON
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:1828")

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 2 taxa · Osteichthyes most observed
Lineage 4 ranks · Biota to Vertebrata
Credits silhouette · photo · text
  • Silhouette · T. Michael Keesey · CC0 1.0 · PhyloPic, drawn from Ptomacanthus anglicus · source
  • Photo · Danielle Dufault Citron Jaine FRA, Couturier LIE, Weeks SJ, Townsend KA, Bennett MB, et al. Elias Levy Hadal JaffaFalcon · Public domain · commons · source
  • Text · Wikipedia, “Gnathostomata” · CC BY-SA 4.0 · revision 1372275653
Elsewhere Wikidata · iNaturalist

WikidataiNaturalist

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 ↗