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Brontozoum

noun
Bron·to·zo·um | \ -ntəˈzōəm \

Definition of Brontozoum 

: a genus of gigantic dinosaurs known from their 3-toed footprints (some 18 inches long) in the Triassic sandstone of the Connecticut valley

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History and Etymology for Brontozoum

New Latin, from bront- + -zoum (from Greek zōion animal)

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