Theria
i
2026-08-05: itis_id 179916 via WoRMS external link
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 4,615 observations of it in 2 datasets between 1987 and 2022, across 31 taxa under it.R
- 4,615
- observations
- 4,615
- records
- 1987–2022
- years
- 2
- datasets
- 28
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 2 taxa · Cetartiodactyla most observed, in the fold below.
Ways inExplorerdb-queryRPythonThis page as JSON
Code and endpoints R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:380416")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:380416'").df()Read from taxa.json of release v2026.10.19, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Under it 2 taxa · Cetartiodactyla most observed
- O Cetartiodactyla2,863
- O Carnivora carnivores1,752
Lineage 7 ranks · Biota to Mammalia
Credits silhouette · photo · text
- Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Zalambdalestes lechi · source
- Photo · Vince Smith · CC BY 4.0 · inat · source
- Text · Wikipedia, “Theria” · CC BY-SA 4.0 · revision 1361242775
Elsewhere Wikidata · iNaturalist
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.19
Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗