Genus · accepted · checked 2026-09-04

Chaetoceros

WoRMS 148985ITIS 2758key worms:148985

15,577
observations: 409
sampling events: 1
datasets: 31
species under it

Observed in

Phytoplankton 842 obs · 409 events
name used: Chaetoceros diatom, centric · code 605
name used: Chaetoceros diatom, centric · code 606

One row per dataset, 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.

Under it · 31 taxa

1 more, fewer observations each

sp Chaetoceros vistulae421

Groups

calcofi_phytoplankton:diatom_centric

Note from the crosswalk

2026-09-04: itis_id 2758 via WoRMS external link

Ways in

Explorermaps, sections and time series of this taxon — opens prefilled
https://calcofi.io/explore/?taxon=worms:148985
db-querySQL in your browser — the shell opens with this query
https://calcofi.io/db-query/?sql=SELECT+%2A+FROM+__TBL%3Aobs_bio__+WHERE+taxon_key+%3D+%27worms%3A148985%27+LIMIT+100%3B
ERDDAPCalCOFI's own server, the Phytoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/calcofi_phytoplankton.html?&taxon_key=%22worms:148985%22

library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:148985")

Python

import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:148985'").df()

This page as data

JSONthis taxon's entry of the release record, verbatim
https://calcofi.io/species/worms-148985.json

Read from taxa.json of release v2026.09.06, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.