1. 
   Euryapsida
   Euryapsida is a polyphyletic (unnatural, as the various members are not closely related) group of reptiles that are distinguished by a single temporal fenestra, an opening behind the orbit, under which the post-orbital and squamosal bones articulate. They are different from Synapsida, which also ha...
   Found op http://en.wikipedia.org/wiki/Euryapsida
   
   
2. 
   Euryapsida
   (from the article `reptile`) ...membrane of the wing. Early forms toothed and with long tails; later forms tended to be larger and to have lost both teeth and tail.†Subclass ...
   Found op http://www.britannica.com/eb/a-z/e/54
   
   

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