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Euoplocephalus tutus and the Diversity of Ankylosaurid Dinosaurs in the Late Cretaceous of Alberta, Canada, and Montana, USA

Figure 11

Forelimb elements.

AMNH 5406 right humerus in A) posterior view. UALVP 31 right humerus in B) anterior view. ROM 1930 right humerus in C) posterior view. AMNH 5337 right humerus in D) posterior, E) anterior, and F) proximal and G) distal views. H) TMP 1997.132.1 left humerus and associated osteoderms with humerus in anterior view and osteoderms mostly in interior view. AMNH 5404 right humerus in I) posterior and J) anterior views. K) ROM 47655 left humerus in posterior view. AMNH 5337 right radius in L) medial view. AMNH 5406 M) right radius in medial view and N) right ulna in medial view. Scale bar equals 10 cm. Abbreviations: dpc, deltopectoral crest; hh, humeral head; hum, humerus; it, internal tuberosity; lsr, lateral supracondylar ridge; of, olecranon fossa; op, olecranon process; os, osteoderm; rc, radial condyle; uc, ulnar condyle.

Figure 11