Scale diagram of the large adult specimens of Edmontosaurus regalis (MOR 003) and Edmontosaurus annectens (USNM 12711), compared in size with a human. Each grid section represents 1 square meter.
Lull, Richard Swann; and Wright, Nelda E. (1942). Hadrosaurian Dinosaurs of North America. Geological Society of America Special Paper 40. Geological Society of America. p. 225.
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{{Information |Description={{en|1=*Scale diagram of the largest known ''Edmontosaurus regalis'' specimen and ''Edmontosaurus annectens'', compared in size with a human. Each grid section represents 1 square meter. *Adapted from an illustration by [[User
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