#order_Pelycosauria__Pelycosauria  edaphosaurus; dimetrodon
  supertype:  animal_order  the order of animals
  member of:  subclass_Synapsida
  member:  pelycosaur  large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America
  member:  family_Edaphosauridae__Edaphosauridae  a family of reptiles of the order Pelycosauria
     member:  genus_Edaphosaurus  type genus of the Edaphosauridae
        member:  edaphosaurus  heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic
  member:  genus_Dimetrodon  a reptile genus of Pelycosauria
     member:  dimetrodon  carnivorous dinosaur of the Permian in North America having a crest or dorsal sail

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