Thadeosaurus

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Thadeosaurus
Fossil range: Late Permian
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Order: Eosuchia
Family: Tangasauridae
Genus: Thadeosaurus

Thadeosaurus is an extinct genus of diapsid reptile belonging to the eosuchian order. It was about 60 cm (2 ft) long.

Two thirds of Thadeosaurus's length belonged to its long tail. The creature also had long toes, especially on the hind legs, causing it to greatly resemble a lizard. These adjustements improved the creature's walking because the toes would still touch the ground while the foot was being raised, allowing more powerful strides. Coupled with a strong breast bone to increase the strength in the forelimbs, this made Thadeosaurus a good runner.