thanks to: http://www.ucmp.berkeley.edu/diapsids/saurischia/sauropoda.html http://www.ucmp.berkeley.edu/diapsids/saurischia/sauropoddiet.html http://www.enchantedlearning.com/subjects/dinosaurs/glossary/Sauropod.shtml http://gavinrymill.com/dinosaurs/tracks/tracks.html
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