Opinions from A. Benites-Palomino et al. 2023

  • 'Acrophyseter belongs to Panphyseteroidea'
  • 'Kogiidae belongs to Physeteroidea'
  • 'Phocaenina was reranked as the family Phocoenidae and belongs to Delphinoidea'
  • 'Piscolithax belongs to Phocoenidae'
  • 'Scaphokogiinae belongs to Kogiidae'