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

Metacarcinus

WoRMS 439213key worms:439213
Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Cancer bellianus

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 Metacarcinus
Photo · Derek K. Miller · CC BY-NC 4.0 · inat NC

Metacarcinus is a genus of crabs formerly included in the genus Cancer. It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record.W CalCOFI holds 15 observations of it in 1 dataset between 1984 and 2014.R

15
observations
526
records
1984–2014
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:439213")