Andrewsarchus

Andrewsarchus
Temporal range:
Holotype skull of Andrewsarchus mongoliensis
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Clade: Cetancodontamorpha
Family: Andrewsarchidae
Szalay & Gould, 1966
Genus: Andrewsarchus
Osborn, 1924
Type species
Andrewsarchus mongoliensis
Osborn, 1924
Other species
  • Andrewsarchus crassum
    Ding, Zheng, Zhang, & Tong, 1977
Synonyms
Genus synonymy
    • Paratriisodon
      Chow, 1959
Species synonymy
  • A. mongoliensis
      • Paratriisodon henanensis
        Chow, 1959
      • Paratriisodon gigas
        Chow, Li, & Chang, 1973

Andrewsarchus (/ˌændrˈsɑːrkəs/) is an extinct genus of ungulate that lived during the Middle Eocene in China. It contains two species, A. mongoliensis and A. crassum. It was formerly placed in the families Mesonychidae or Arctocyonidae, but is now the sole member of a distinct family, Andrewsarchidae. Only known from a largely complete skull as well as isolated teeth, It is notable for being estimated as the largest terrestrial, carnivorous mammal, but that status has been disputed.

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