CalCOFI.io CalCOFI.io open data ecosystem
Genus · accepted · checked 2026-08-05

Margrethia

WoRMS 126190ITIS 162229key worms:126190
i

2026-08-05: itis_id 162229 via WoRMS external link

Silhouette · Yan Wong · CC0 1.0 · PhyloPic, drawn from Malacosteus niger

Size · not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).

Photograph of Margrethia
Photo · anonymous · CC BY-SA 4.0 · inat

Margrethia is a genus of bristlemouths.W CalCOFI holds 8 observations of it in 1 dataset between 1972 and 2002.R

8
observations
8
records
1972–2002
years
1
datasets

Observed in

Nothing is keyed to this taxon directly — every observation under it belongs to one of the taxa below.

Under it · 1 taxon

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
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:126190")