Edaphosaurus cruciger

Posted on 12/30/2009 by james

Edaphosaurus_crucigerThis 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 predators, a radiator, to warm and cool its body and a device tor attract a mate.

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Edaphosaurus pogonias

Posted on 12/30/2009 by james

 

 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

Posted on 12/15/2009 by james

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

Posted on 10/01/2009 by james

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 of a feathered archaeornithoides.) It hunted small mammals and lizards whilst avoiding being troden on by a clumsy t-rex, the complete opposite of Archaeornithoides.

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Prenoceratops

Posted on 10/01/2009 by james

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 legs. It had to watch out for predators like albertosaurus so it mingled with hyparcosaur herds. It would hope the predator went for the large herbivore not it.

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Edaphosaurus

Posted on 02/27/2009 by james

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 the orange, yellow and white bloke with no spine.

In the BBC’s “Walking with Monsters” it depicts dimetrodon killing one of these beasts. A close observer would have noticed it killed a youngster, probably because an adult was as large and as strong as a dimetrodon.

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