CollectA EdaphosaurusCollectA Edaphosaurus CollectA model 88840 Product Dimensions: 20 x 7. 5 x 7. 8 cm Age: 3 years and up Edaphosaurus means 'Pavement lizard'. It is not a dinosaur but a Synapsid like Dimetrodon, that CollectA released last year. However unlike Dimetrodon it was a herbivore. It had a small head compared with its body size and a dense battery (or pavement) of teeth for crushing vegetation which gave it its name. Like dimetrodon it also had a sail on its