Richelia

Genusaccepted · checked 2026-08-05WoRMS 370179ITIS 1244key worms:370179

2026-08-05: itis_id 1244 via WoRMS external link

Richelia is a genus of nitrogen-fixing, filamentous, heterocystous and cyanobacteria. They exist as both free-living organisms as well as symbionts within potentially up to 13 diatoms distributed throughout the global ocean.W CalCOFI holds 22 observations of it in 1 dataset between 1996 and 2022.R

22
observations: 409
records: 1996–2022
years: 1
datasets

Photo · Glenn McGregor · CC BY-NC 4.0 · inat NC

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 1 taxon, 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:370179")

Read from taxa.json of release v2026.11.05, 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

sp Richelia intracellularis409

Lineage 7 ranks · Bacteria to Rivulariaceae

Credits silhouette · photo · text

Silhouette · Matthew Crook · CC BY-SA 3.0 · PhyloPic, drawn from Nostoc commune · source
Photo · Glenn McGregor · CC BY-NC 4.0 · inat · source
Text · Wikipedia, “Richelia” · CC BY-SA 4.0 · revision 1370415134

Elsewhere Wikidata · GBIF

Wikidata 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, v2026.11.05

Cite the release, v2026.11.05; each dataset's own citation, licence and DOI are on its page. How to cite ↗