premammalian

English

Etymology

pre- +‎ mammalian

Adjective

premammalian (not comparable)

1. Before the evolution of mammals.
   • 2008 May 13, Natalie Angier, “A Gene Map for the Cute Side of the Family”, in New York Times‎^[1]:

     At the same time, the monotremes still pay homage to their premammalian forebears.