Chromista

Kingdomaccepted · checked 2026-08-05WoRMS 7key worms:7

Chromista is a proposed but controversial biological kingdom, refined from the Chromalveolata, consisting of single-celled and multicellular eukaryotic species that share similar features in their photosynthetic organelles (plastids).W CalCOFI holds 27,446 observations of it in 3 datasets between 1951 and 2026, across 295 taxa under it.R

27,446
observations: 158,554
records: 1951–2026
years: 3
datasets: 210
species under it

Photo · InAweofGod'sCreation · CC BY 4.0 · inat

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 3 taxa · Heterokontophyta most observed, in the fold below.

Ways inExplorer db-query R Python This 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:7")

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 3 taxa · Heterokontophyta most observed

P Heterokontophyta golden and brown algae69,750
sK Harosa65,831
sK Hacrobia22,973

Credits silhouette · photo · text

Silhouette · Sergio A. Muñoz-Gómez · CC BY-NC-SA 3.0 · PhyloPic, drawn from Chlamydomonas · source
Photo · InAweofGod'sCreation · CC BY 4.0 · inat · source
Text · Wikipedia, “Chromista” · CC BY-SA 4.0 · revision 1368837309

Elsewhere Wikidata · iNaturalist · GBIF

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 ↗