therapsid
C43896
concept
A therapsid is a member of an extinct group of synapsid vertebrates that were dominant terrestrial animals before dinosaurs and include the ancestors of mammals.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| prehistoric synapsid | 1 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| Lystrosaurus | — |
| Dicynodon | — |