CalCOFI.io CalCOFI.io open data ecosystem
Species · accepted · checked 2026-09-04

Braarudosphaera bigelowii

WoRMS 235922key worms:235922
Silhouette · Tree of Life App · CC BY 4.0 · PhyloPic, drawn from Braarudosphaera biglowii

Size · not on record: no authority the fetcher reads carries a length for this taxon.

(A) SEM image of a cell of B. bigelowii surrounded by 12 pentaliths (offshore Tomari, 17th June 2012). A pentalith (calcareous scale of the Braarudosphaeraceae) indicated by the blue open pentagon con
Photo · Kyoko Hagino, Ryo Onuma, Masanobu Kawachi, Takeo Horiguchi · CC BY 3.0 · commons

Braarudosphaera bigelowii is a coastal coccolithophore in the fossil record going back 100 million years to the Late Cretaceous. Due to endosymbiontic integration, it has obtained a nitrogen-fixing organelle called a nitroplast.W CalCOFI holds 7 observations of it in 1 dataset.R

7
observations
421
records
409
sampling events
1
datasets

Observed in
i

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.

  • Phytoplankton 421 obs · 409 events
    name used: Braarudosphaera bigelowii coccolithophore · code 182

Groups

calcofi_phytoplankton:coccolithophore

Ways in
i

Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

Explorerdb-query
ERDDAPCalCOFI's own server, the Phytoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/calcofi_phytoplankton.html?&taxon_key=%22worms:235922%22