Archaeotherium || Description and Facts!
Channel: Animals Descriptions
Date: 2022-02-25

Archaeotherium (Ancient Greek: αρχαιοθήριον, meaning "ancient beast") is an extinct genus of entelodont artiodactyl endemic to North America during the Eocene and Oligocene epochs (35—28 mya), existing for approximately 9.1 million years. Archaeotherium fossils are most common in the White River Formation of the Great Plains, but it has also been found in the John Day Basin of Oregon and the Trans-Pecos area of Texas.

Archaeotherium was about 1.2 m (3 ft 11 in) tall at the shoulder and around 2 m long. Adults weighed 150–250 kg (330-530 lbs). The largest specimens, though much less common, which had been described under the name Megachoerus had skulls up to 80 cm (31 in) long, stood about 1.5–1.6 m (4 ft 11 in – 5 ft 3 in) tall at the shoulder and weighed up to 500–600 kg (1,100–1,300 lb).

There is no sign of sexual dimorphism in the canine teeth; females and males may have been similar in size. Though Archaeotherium is one of the best preserved of all entelodonts, skulls of entelodonts are far more commonly preserved than full skeletons, and the large size of the head in proportion to the body makes it difficult to accurately estimate the animal's living size and weight.

In life, Archaeotherium probably somewhat resembled a cow-sized peccary with a longer face, humped shoulders, wide cheekbones, and bosses on the face similar to male warthogs, but without a pig-like nasal disk.

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Source from Wikipedia under WP:CC BY-SA license

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