Cetruminantia Temporal range: Early Eocene–Present PreꞒ Ꞓ O S D C P T J K Pg N


Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Clade:	Artiofabula
Clade:	Cetruminantia Waddell et al. 1999
Subgroups
Cetancodontamorpha Ruminantiamorpha

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]

Artiodactyla

Tylopoda (camels)

Artiofabula

Suina (pigs)

Cetruminantia

Ruminantia (ruminants)

Whippomorpha

	Hippopotamidae (hippopotamuses)

	Cetacea (whales)

(or Cetancodonta)

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 Acodonta
        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)

References

^ A higher-level MRP supertree of placental mammals
^ Beck, N.R. (2006). "A higher-level MRP supertree of placental mammals". BMC Evol Biol. 6: 93. doi:10.1186/1471-2148-6-93. PMC 1654192. PMID 17101039.
^ O'Leary, M.A.; Bloch, J.I.; Flynn, J.J.; Gaudin, T.J.; Giallombardo, A.; Giannini, N.P.; et al. (2013). "The placental mammal ancestor and the post-K-Pg radiation of placentals". Science. 339 (6120): 662–667. doi:10.1126/science.1229237. hdl:11336/7302. PMID 23393258. S2CID 206544776.
^ 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. doi:10.1073/pnas.1211733109. PMC 3443116. PMID 22930817.
^ 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. doi:10.1098/rspb.2012.0683. PMC 3396900. PMID 22628470.
^ 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. doi:10.1371/journal.pbio.3000494. PMC 6892540. PMID 31800571; (see fig S10)