Bản mẫu:Pachycephalosauridae/con

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Colepiocephale     Hanssuesia     Stegoceras         Goyocephale       Homalocephale       Tylocephale       Foraminacephale       Amtocephale         Acrotholus     Prenocephale           Alaskacephale     Pachycephalosaurus       Sphaerotholus