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Noun: suborder Pachycephalosaurus
  1. Boneheaded dinosaurs; late Cretaceous

Type of: animal order

Part of: Marginocephalia, marginocephalian, suborder Marginocephalia

Nearest

suborder Natantia
suborder Nematocera
suborder Nothosauria
suborder Odontoceti
suborder Ophidia
suborder Ornithomimida
suborder Ornithopoda
suborder Oscines
suborder Osteostraci
suborder Otides
suborder Pachycephalosaurus
suborder Passeres
suborder Percoidea
suborder Petromyzoniformes
suborder Pinnipedia
suborder Plesiosauria
suborder Prosauropoda
suborder Prosimii
suborder Reptantia
suborder Ruminantia
suborder Sauria