Euoplocephalus tutus and the Diversity of Ankylosaurid Dinosaurs in the Late Cretaceous of Alberta, Canada, and Montana, USA
AMNH 5403 axis (A1) in anterior, left lateral, and dorsal views; cervical (B1) in anterior, right lateral, and dorsal views; cervical (C1) in posterior, left lateral, views; cervical (D1) in anterior, left lateral views. AMNH 5337 cervical (A2) in posterior, right lateral views; dorsals (B2,C2) in anterior, right lateral, and dorsal views. UALVP 31 axis (A3) in left lateral view, and cervical (B3) in posterior view. Abbreviations: c, centrum; cr, cervical rib; di, diapophysis; ns, neural spine; na, neural arch; nc, neural canal; od, odontoid; pa, parapophysis; poz, postzygapophysis; prz, prezygapophysis.