1. 
   Tetrapodosaurus
   Tetrapodosaurus meaning Four-footed lizard) is an ichnogenus of dinosaur known only from large, quadupedal footprints that date from the early to middle Cretaceous period (roughly 120-100 million years ago). These 50-cm-long prints have been found at a large trackways located near Grande Cache, Albe...
   Found op http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
   
   
2. 
   Tetrapodosaurus
   Tetrapodosaurus is an ichnogenus of dinosaur footprint. ...
   Found op http://en.wikipedia.org/wiki/Tetrapodosaurus
   
   

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