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Some attributes
First It was a carnivorous pelycasaur
Second It was a sail back
Third It was 10 feet long
Other attributes

Dimetrodon was a type of synapsid , and like Edaphosaurus, It was a pelycasaur.


Dimetrodon looked like Edaphosaurus but it was a carnivore. Ironically, it attacked its twin. Although dangerous, they were about the same size as an adult edaphosaurus. Dimetrodon, is commonly mistaken as a dinosaur, even though it, like Edaphosaurus was more related to mammals today than the dinosaurs. It is also, the most famous pelycasaur. It was about 10 feet long and the first reptile super-predator.

In Other Media[]

Scientific classification


Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Family: †Sphenacodontidae
Subfamily: †Sphenacodontinae
Genus: †Dimetrodon

Dimetrodon was shown in walking with monsters, reptiles beginnings. It was the main character of the 2nd half of the episode. First, it was shown scatering a herd of Edaphosaurus and killing a young one. Then, it started eating but was interrupted by a group of male dimetrodon, so she gave up the prize. For the rest of the episode, she was watching her eggs, and defended it from another female.