Archivo: Edmontosaurus skulls

Description: Compilation of virtually all known complete edmontosaur skulls from North America. All skulls are in lateral view (sometimes reversed). Labels below each skull include the symbol used in the morphometric plots, whether the specimen represents a holotype (type), the formation where it was uncovered (HCF, Horseshoe Canyon Formation; HF, Hell Creek Formation; FF, Frenchman Formation; LF, Lance Formation), and the species name based on traditional edmontosaur taxonomy. Scale bar, 20 cm.
Title: Edmontosaurus skulls
Credit: Fig. 2 in Cranial Growth and Variation in Edmontosaurs (Dinosauria: Hadrosauridae): Implications for Latest Cretaceous Megaherbivore Diversity in North America. PLoS ONE 6(9):e25186, doi:10.1371/journal.pone.0025186
Author: Nicolás E. Campione, David C. Evans
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