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

Figure 10

Pectoral and pelvic girdles.

AMNH 5406 right scapula in A) medial and B) lateral views, left scapula in C) lateral and D) medial views. TMP 2001.42.19 left scapulocoracoid in E) lateral and F) ventral views. G) UALVP 31 right scapula in medial view. H) AMNH 5406 left scapula in anteroventral view. I) ROM 813 right coracoid in lateral view. J) AMNH 5404 left coracoid in lateral view. K) AMNH 5245 right ilium in ventral view, anterior is up. TMP 2001.42.19, L) right ischium and M) left ischium in medial views. N) CMN 8530 (Anodontosaurus lambei holotype) right ischium in medial view. O) UALVP 31 associated right ilium, sacrum, right femur and right tibia, with ilium in ventral view (anterior is up), and femur in medial view. P) TMP 1982.9.3 pelvis in dorsal view (the right half of the pelvis is reconstructed), anterior is up. Photograph of AMNH 5404 coracoid by R. Sissons and used with permission. Scale bar for A–H and J is 5 cm, scale bar for I is 10 cm. Abbreviations: ace, acetabulum; acr, acromion; cf, coracoid foramen; ds, dorsosacral; fem, femur; gl, glenoid; glf, glenoid fossa; il, ilium; ip, iliac peduncle; is, ischium; ost, osteoderm; medr, medial ridge; mt, metatarsal; mtlc, enthesis of M. triceps longus caudalis; ns, neural spine; posta, postacetabular process; pp, pubic peduncle; prea, preacetabular process; r, rib; s1–3, sacrals 1–3; scb, scapulocoracoid buttress; scor, surface for coracoid; stp, sternal process; sscap, surface for scapula; tib, tibia.

Figure 10