Opinions from J. G. M Thewissen et al. 2001

  • 'Agriochoeridae belongs to Artiodactyla'
  • 'Agriochoerus belongs to Agriochoeridae'
  • 'Ambulocetidae belongs to Cetacea'
  • 'Ambulocetus belongs to Ambulocetidae'
  • 'Andrewsarchinae was reranked as the family Andrewsarchidae and belongs to Mesonychia'
  • 'Andrewsarchus belongs to Andrewsarchidae'
  • 'Ankalagon belongs to Mesonychidae'
  • 'Anthracobunodon belongs to Haplobunodontidae'
  • 'Anthracotheriidae belongs to Artiodactyla'
  • 'Archaeotherium belongs to Entelodontidae'
  • 'Arctocyon belongs to Arctocyonidae'
  • 'Artiodactyla belongs to Cetartiodactyla'
  • 'Bothriodon belongs to Anthracotheriidae'
  • 'Camelidae belongs to Artiodactyla'
  • 'Cebochoeridae belongs to Artiodactyla'
  • 'Cebochoerus belongs to Cebochoeridae'
  • 'Cebochoerus (Gervachoerus) was reranked as Gervachoerus and belongs to Cebochoeridae'
  • 'Cetacea belongs to Cetartiodactyla'
  • 'Cetartiodactyla belongs to Paraxonia'
  • 'Diacodexis belongs to Dichobunidae'
  • 'Diacodexis pakistanensis belongs to Diacodexis'
  • 'Dichobunidae belongs to Artiodactyla'
  • 'Dissacus belongs to Mesonychidae'
  • 'Elomeryx belongs to Anthracotheriidae'
  • 'Entelodontidae belongs to Artiodactyla'
  • 'Eoconodon belongs to Andrewsarchidae'
  • 'Hapalodectidae belongs to Mesonychia'
  • 'Haplobunodon belongs to Haplobunodontidae'
  • 'Haplobunodontidae belongs to Artiodactyla'
  • 'Harpagolestes belongs to Mesonychidae'
  • 'Hexaprotodon belongs to Hippopotamidae'
  • 'Hippopotamidae belongs to Artiodactyla'
  • 'Hippopotamus belongs to Hippopotamidae'
  • 'Hyopsodus belongs to Hyopsodontidae'
  • 'Ichthyolestes belongs to Pakicetidae'
  • 'Indohyus belongs to Raoellidae'
  • 'Khirtharia belongs to Raoellidae'
  • 'Kunmunella belongs to Raoellidae'
  • 'Meniscotherium belongs to Phenacodontidae'
  • 'Mesonychia belongs to Paraxonia'
  • 'Mesonychidae belongs to Mesonychia'
  • 'Mesonyx belongs to Mesonychidae'
  • 'Nalacetus belongs to Pakicetidae'
  • 'Pachyaena belongs to Mesonychidae'
  • 'Pakicetinae was reranked as the family Pakicetidae and belongs to Cetacea'
  • 'Pakicetus belongs to Pakicetidae'
  • 'Pantolestes secans is recombined as Diacodexis secans'
  • 'Phenacodontidae belongs to Phenacodonta'
  • 'Phenacodus belongs to Phenacodontidae'
  • 'Poebrotherium belongs to Camelidae'
  • 'Raoellidae belongs to Artiodactyla'
  • 'Sinonyx belongs to Mesonychidae'
  • 'Suidae belongs to Artiodactyla'
  • 'Sus belongs to Suidae'
  • 'Synoplotherium belongs to Mesonychidae'
  • 'Tragulidae belongs to Artiodactyla'
  • 'Tragulus belongs to Tragulidae'