Author Archives: james

Edaphosaurus cruciger

This is Edaphosaurus cruciger. It had a smaller head than Edaphosaurus pogonias but it had taller spines. It probably had only one enemy (dimetrodon) who barely ever attacked it. Edaphosaurus cruciger probably used its sail as a bluffing mechanism, to scare away … Continue reading

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Edaphosaurus pogonias

            This is Edaphosaurus pogonias. It had bones and spines that were more chunky than those of its relative Edaphosaurus cruciger. It also had a longer head. It grew to 3.2 meters.

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Tawa hallae

This was an early dinosaur from the triassic. An early therapod, this dinosaur was about 2 meters long. A probable descendant of eoraptor, this animal gave rise to dinosaurs like T-rex and Gorgosaurus. It ate small lizards and possibly small dinosaurs.

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Archaeornithoides

Archaeornithoides was a 1 meter long therapod from the late cretaceous era. It was related to troodon which meant it was probably rather intelligent. It was rather like a bird and might of had feathers (sorry I couldn’t  find a picture … Continue reading

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Prenoceratops

Prenoceratops was a small, in my opinion cute, species of ceratopsian from the late cretaceous. It was closely related to leptoceratops and some say it was leptoceratops. It was about 2.75 meters long. It walked on four legs despite its small front … Continue reading

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Edaphosaurus

 Edaphosaurus was one of the first herbivorous reptiles.  Do not confuse this creature with dimetrodon, because he was a carnivore, whereas this guy eats plants.  Also, dimetrodon had a more symetrical spine. In this picture there is also seymouria, a land anphibian. He’s … Continue reading

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