Theria
subclass of mammals
Theria is a subclass of mammals. It includes almost all living mammals: the ones that give birth to live young, and not by using a shelled egg.
Theria Temporal range: Lower Cretaceous – Recent | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Clade: | Theriiformes |
Clade: | Trechnotheria |
Clade: | Cladotheria |
Clade: | Prototribosphenida |
Clade: | Zatheria |
Clade: | Tribosphenida |
Subclass: | Theria Parker & Haswell, 1897 |
Infraclasses | |
The Theria are divided into two groups (infraclasses): Metatheria and Eutheria. The surviving Metatheria are the marsupials, and the Eutheria are the placental mammals.
Wikispecies has information on: Theria.
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