Andrewsarchus and Sarkastodon

Sarkastodon (Sarkastodon Granger, 1938)

Order: †Oxyaenodonta

Family: †Oxyaenidae

Dimensions: length - 2,6 m, height - 125 сm, weight - 200 - 400 kg

Temporal range: lived during the upper Eocene, approximately 35 million years ago.(Mongolia)

Andrewsarchus (Andrewsarchus Pao, 1923)

Order: Artiodactyla

Suborder: Cetruminantia

(unranked): Cetancodontamorpha

Temporal range: during the  Eocene (Asia) (45—36 million years ago)

Dimensions: length - 3,2 m, height - 140 сm, weight ~ 800 kg

A typical representative:  Andrewsarchus mongoliensis Osborn, 1924

Aktautitan (Megacerops (iAktautitan hippopotamopus Mihlbachler, Lucas & Emry, 2004)

Order: Perissodactyla

Family: †Brontotheriidae

Temporal range: during the  Eocene (Asia)

Dimensions: length - 4 m, height - 250 сm, weight - 2000 - 3000 kg

A typical representative: Aktautitan hippopotamopus Mihlbachler, Lucas & Emry, 2004