Pachyrhinosaurus

Ceratopsid dinosaur genus from Late Cretaceous US and Canada

Pachyrhinosaurus (from Ancient Greek παχύς (pachys), thick; ῥίς (rhis), nose; and σαυρος (sauros), lizard) is a genus of centrosaurine ceratopsid dinosaur from the Late Cretaceous period of North America. The first examples were discovered by Charles M. Sternberg in Alberta, Canada, in 1946, and named in 1950. Over a dozen partial skulls and a large assortment of other fossils from various species have been found in Alberta and Alaska.

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