Theria
From Wikipedia, the free encyclopedia
| Theria Temporal range: Lower Cretaceous – Recent |
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| House Mouse, Mus musculus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Subclass: | Theria Parker & Haswell, 1897 |
| Infraclasses | |
Theria is a subclass of mammals. It includes all mammals that give birth to live young without using a shelled egg.
The theria are divided into two smaller groups (infraclasses): metatheria and eutheria. The sole surviving metatheria are the marsupials, and the eutheria are the placental mammals.
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Wikispecies has information on: Theria. |
