English edit

Noun edit

kogaionid (plural kogaionids)

  1. (zoology) An extinct multituberculate of the family Kogaionidae.
    • 2018, Tim Flannery, Europe: The First 100 Million Years, Penguin, published 2019, page 25:
      Some, such as Kogaionids, probably laid eggs and hopped like frogs.