Cetruminantia Explained

The Cetruminantia are a clade made up of the Cetancodontamorpha (or Whippomorpha) and their closest living relatives, the Ruminantia.^[1]

Cetruminantia's placement within Artiodactyla can be represented in the following cladogram:^{[2] [3] [4] [5] [6]}

Classification

• Order Artiodactyla (even-toed ungulates)
  • Tylopoda (camelids)
  • Artiofabula (ruminants, pigs, peccaries, whales, and dolphins)
    • Suina (pigs and peccaries)
    • Cetruminantia (ruminants, whales, and dolphins)
      • Suborder Ruminantia (antelope, buffalo, cattle, goats, sheep, deer, giraffes, and chevrotains)
        • Family Antilocapridae (pronghorn)
        • Family Bovidae, 135 species (antelope, bison, buffalo, cattle, goats, and sheep)
        • Family Cervidae, 55~94 species (deer, elk, and moose)
        • Family Giraffidae, 2 species (giraffes, okapis)
        • Family Moschidae, 4~7 species (musk deer)
        • Family Tragulidae, 6~10 species (chevrotains, or mouse deer)
      • Suborder Whippomorpha (aquatic or semi-aquatic even-toed ungulates)
        • Infraorder Ancodonta
          • Family Hippopotamidae, 2 species (hippopotamuses)
        • Infraorder Cetacea (whales, dolphins, and porpoises)
          • Mysticeti (baleen whales)
            • Family Balaenidae, 2~4 species (right whales and bowhead whales)
            • Family Balaenopteridae, 6~9 species (rorquals)
            • Family Eschrichtiidae, 1 species (gray whale)
            • Family Neobalaenidae, 1 species (pygmy right whale)
          • Odontoceti (toothed whales, dolphins, and porpoises)
            • Superfamily Delphinoidea (dolphins, arctic whales, porpoises, and relatives)
              • Family Delphinidae, 38 species (dolphins, killer whales, and relatives)
              • Family Monodontidae, 2 species (beluga and narwhal)
              • Family Phocoenidae, 6 species (porpoises)
            • Superfamily Physeteroidea (sperm whales)
              • Family Kogiidae, 2 species (pygmy and dwarf sperm whales)
              • Family Physeteridae, 1 species (common sperm whale)
            • Superfamily Ziphoidea (beaked whales)
              • Family Ziphidae, 22 species (modern beaked whales)
            • Superfamily Platanistoidea (river dolphins)
              • Family Iniidae, 1~3 species (South American river dolphin(s))
              • Family Lipotidae, 1 species (baiji or Chinese river dolphin)
              • Family Platanistidae, 1~2 species (Asian river dolphin(s))
              • Family Pontoporiidae, 1 species (La Plata dolphin)

Notes and References

1. http://www.biomedcentral.com/1471-2148/6/93 A higher-level MRP supertree of placental mammals
2. Beck . N.R. . 2006 . A higher-level MRP supertree of placental mammals . BMC Evol Biol . 6 . 93 . 10.1186/1471-2148-6-93 . 1654192 . 17101039 . free .
3. O'Leary . M.A. . Bloch . J.I. . Flynn . J.J. . Gaudin . T.J.. Giallombardo. A. . Giannini . N.P. . Goldberg . S.L. . Kraatz . B.P. . Luo . Z.-X. . Meng . J. . Ni . X. . Novacek . M.J. . Perini . F.A. . Randall . Z.S. . Rougier . G.W. . Sargis . E.J. . Silcox . M.T. . Simmons . N.B. . Spaulding . M. . Velazco . P.M. . Weksler . M. . Wible . J.R. . Cirranello . A.L. . 6 . 2013 . The placental mammal ancestor and the post-K-Pg radiation of placentals . Science . 339 . 6120 . 662–667. 10.1126/science.1229237. 23393258. 206544776 . 11336/7302 . free.
4. Song . S. . Liu . L. . Edwards . S.V. . Wu . S. . 2012 . Resolving conflict in eutherian mammal phylogeny using phylogenomics and the multispecies coalescent model . Proceedings of the National Academy of Sciences . 109. 37 . 14942–14947 . 10.1073/pnas.1211733109 . 22930817 . 3443116 . free.
5. dos Reis . M. . Inoue . J. . Hasegawa . M. . Asher . R.J. . Donoghue . P.C.J. . Yang . Z. . 2012 . Phylogenomic datasets provide both precision and accuracy in estimating the timescale of placental mammal phylogeny . Proceedings of the Royal Society B: Biological Sciences. 279. 1742 . 3491–3500 . 10.1098/rspb.2012.0683 . free . 22628470 . 3396900.
6. Upham . N.S. . Esselstyn . J.A. . Jetz . W. . 2019 . Inferring the mammal tree: Species-level sets of phylogenies for questions in ecology, evolution, and conservation . PLOS Biology . 17 . 12 . e3000494 . 10.1371/journal.pbio.3000494 . free . 31800571 . 6892540 . . (see fig S10)