The Cetruminantia are a

clade In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...

made up of the Cetancodontamorpha (or Whippomorpha) and their closest living relatives, the

Ruminantia Ruminants are herbivorous grazing or browsing artiodactyls belonging to the suborder Ruminantia that are able to acquire nutrients from plant-based food by Enteric fermentation, fermenting it in a specialized stomach prior to digestion, principa ...

.A higher-level MRP supertree of placental mammals
/ref> Cetruminantia's placement within

Artiodactyla Artiodactyls are placental mammals belonging to the order (biology), order Artiodactyla ( , ). Typically, they are ungulates which bear weight equally on two (an even number) of their five toes (the third and fourth, often in the form of a hoof ...

can be represented in the following

cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...

: (see fig S10)

Classification

*Order

(even-toed ungulates) ** Tylopoda (camelids) ** Artiofabula ( ruminants,

pigs The pig (''Sus domesticus''), also called swine (: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus '' Sus''. Some authorities cons ...

, peccaries, whales, and

dolphins A dolphin is an aquatic mammal in the cetacean clade Odontoceti (toothed whale). Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontopori ...

) ***

Suina Suina (also known as Suiformes) is a suborder of omnivorous, non- ruminant artiodactyl mammals that includes the domestic pig and peccaries. A member of this clade is known as a suine. Suina includes the family Suidae, termed suids, known ...

(pigs and peccaries) ***Cetruminantia ( ruminants, whales, and

) ****Suborder

(

antelope The term antelope refers to numerous extant or recently extinct species of the ruminant artiodactyl family Bovidae that are indigenous to most of Africa, India, the Middle East, Central Asia, and a small area of Eastern Europe. Antelopes do ...

, buffalo,

cattle Cattle (''Bos taurus'') are large, domesticated, bovid ungulates widely kept as livestock. They are prominent modern members of the subfamily Bovinae and the most widespread species of the genus '' Bos''. Mature female cattle are calle ...

, goats,

sheep Sheep (: sheep) or domestic sheep (''Ovis aries'') are a domesticated, ruminant mammal typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus '' Ovis'', in everyday usage it almost always refers to d ...

, deer, giraffes, and chevrotains) *****Family Antilocapridae (pronghorn) *****Family

Bovidae The Bovidae comprise the family (biology), biological family of cloven-hoofed, ruminant mammals that includes Bos, cattle, bison, Bubalina, buffalo, antelopes (including Caprinae, goat-antelopes), Ovis, sheep and Capra (genus), goats. A member o ...

, 135 species (

bison A bison (: bison) is a large bovine in the genus ''Bison'' (from Greek, meaning 'wild ox') within the tribe Bovini. Two extant taxon, extant and numerous extinction, extinct species are recognised. Of the two surviving species, the American ...

, buffalo,

, goats, and

) *****Family Cervidae, 55~94 species ( deer, elk, and

moose The moose (: 'moose'; used in North America) or elk (: 'elk' or 'elks'; used in Eurasia) (''Alces alces'') is the world's tallest, largest and heaviest extant species of deer and the only species in the genus ''Alces''. It is also the tal ...

) *****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,

, and porpoises) ****** Mysticeti (baleen whales) *******Family

Balaenidae Balaenidae () is a Family (biology), family of whales of the parvorder Mysticeti (baleen whales) that contains mostly fossil taxa and two living genera: the right whale (genus ''Eubalaena''), and the closely related bowhead whale (genus ''Balaena ...

, 2~4 species ( right whales and bowhead whales) *******Family Balaenopteridae, 6~9 species ( rorquals) *******Family

Eschrichtiidae Eschrichtiidae or the gray whales is a family (taxonomy), family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (''Eschrichtius robustus''), as well as four described fossil genera: ''Archaeschrichtius'' (Mioce ...

, 1 species (

gray whale The gray whale (''Eschrichtius robustus''), also known as the grey whale,Britannica Micro.: v. IV, p. 693. is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of , a weight of up to and lives between ...

) *******Family Neobalaenidae, 1 species ( pygmy right whale) ****** Odontoceti (toothed whales, dolphins, and porpoises) *******Superfamily Delphinoidea (

, arctic whales, porpoises, and relatives) ********Family Delphinidae, 38 species (

, 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 In anthropology, pygmy peoples are ethnic groups whose average height is unusually short. The term pygmyism is used to describe the phenotype of endemic short stature (as opposed to disproportionate dwarfism occurring in isolated cases in a po ...

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

{{Taxonbar, from=Q1369337 Artiofabula Phylogenetics