premammalian

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English[edit]

Etymology[edit]

pre- +‎ mammalian

Adjective[edit]

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.