What is Pachyrhinosaurus?
{{Italic title}} {{Automatic taxobox | fossil_range = {{Fossil range|73.5|68.5}} | image = Pachyrhinosaurus perotorum skeleton.jpg | image_upright = 1.1 | image_caption = ''P. perotorum'' mounted at the [[Perot Museum]] | taxon = Pachyrhinosaurus | authority = [[Charles Mortram Sternberg|Sternberg]], 1950 | type_species = {{extinct}}'''''Pachyrhinosaurus canadensis''''' | type_species_authority = Sternberg, 1950 | subdivision_ranks = Species | subdivision = *{{extinct}}'''''P. canadensis''''' <small>Sternberg, 1950</small> *{{nowrap|{{extinct}}'''''P. lakustai''''' <small>[[Philip J. Currie|Currie]], [[Wann Langston Jr.|Langston]] & [[Darren Tanke|Tanke]], 2008</small>}} *{{extinct}}'''''P. perotorum''''' <small>[[Anthony Fiorillo|Fiorillo]] & [[Ronald S. Tykoski|Tykoski]], 2012</small> }} '''''Pachyrhinosaurus''''' was a large, plant-eating [[dinosaur]] that had a bony, spiked neck frill, four short legs, and a short tail. ''Pachyrhinosaurus'' was a short-frilled [[ceratopsia]]n dinosaur that was 18 to 23 feet (5.5 to 7 m) long. ''Pachyrhinosaurus'' had many small horns on the middle of its frill. {{biology-stub}} [[category:Ceratopsids]]