9 feb 275000000 anni a. C. - Therapsids overtake pelycosaurs
Descrizione:
The mighty children of the gods overtake their parents, causing it to be such that therapsids are the only remaining synapsids.
Aggiunto al nastro di tempo:
Data:
9 feb 275000000 anni a. C.
Adesso
~ 5883516 years ago