👉 Promammalian is a term used in paleontology to describe an organism that lived during the Cretaceous period, approximately 69 million years ago. This type of organism was characterized by its large brain size and large jawbones, which allowed it to feed on small animals and plant material. Promammalian organisms were also known for their ability to make complex social behaviors and had a close relationship with other members of their species. The term "promammalian" is often used as a metaphor