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

Theria

WoRMS 380416ITIS 179916key worms:380416
i

2026-08-05: itis_id 179916 via WoRMS external link

Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Zalambdalestes lechi

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 Theria
Photo · Vince Smith · CC BY 4.0 · inat

Theria is a subclass of mammals amongst the Theriiformes. Theria contains the eutherians and the metatherians but excludes the egg-laying monotremes and various extinct mammals evolving prior to the common ancestor of placentals and marsupials.W CalCOFI holds 4,513 observations of it in 1 dataset between 1987 and 2020, across 30 taxa under it.R

4,513
observations
4,513
records
1987–2020
years
1
datasets
28
species under it

Observed in

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

Under it · 2 taxa

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:380416")