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Andrewsarchus DB.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Artiodactyla
Suborder: Cetruminantia
(unranked): Cetancodontamorpha
Spaulding et al., 2009


Cetancodontamorpha is a total clade of artiodactyls[1] defined, according to Spaulding et al., as Whippomorpha "plus all extinct taxa more closely related to extant members of [Whippomorpha] than to any other living species.".[2] Attempts have been made to rename the clade Whippomorpha to Cetancodonta, but the former maintains precedent.[3]

Whippomorpha is the crown clade containing Cetacea (whales, dolphins, etc.) and hippopotamuses.[4] According to Spaulding et al., members of the whippomorph stem group (i.e., "stem-whippomorphs") include such taxa as members of the family Entelodontidae and the genus Andrewsarchus.