| Theria | |
|---|---|
| |
| Scientific classification | |
| Kingdom Information | |
| Kingdom | Animalia |
| Phylum Information | |
| Phylum | Chordata |
| Class Information | |
| Class | Mammalia |
| Sub-class | Theria |
| Population statistics | |
Theria (Greek: "wild beast") is the subclass of mammals identified by giving birth to live young without using a shelled egg. All currently living species of mammal are members of this subclass, except the platypus and echidnas.