paleomammalian

English

Etymology

From paleo- +‎ mammalian.

Adjective

paleomammalian (not comparable)

1. Of or relating to those structures of the brain's limbic system that (according to the triune brain model) arose early in mammalian evolution and were responsible for the motivation and emotion involved in feeding, reproductive behavior, and parental behavior.

Related terms

• neomammalian