Therians
Theria
Theria ( or ; from Ancient Greek θηρίον, thēríon 'wild beast') is a subclass of mammals amongst the Theriiformes. Theria contains the eutherians (which includes placental mammals) and the metatherians (which includes marsupials) but excludes the egg-laying monotremes and various extinct mammals evolving prior to the common ancestor of placentals and marsupials.
2 branches of this subclass, most-observed first · about 6,686 known species
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Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Theria in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 848317.