New Troodontid Theropod from North America Figure 8. Femur, tibia, and fibula of Talos sampsoni (UMNH VP 19479). Left femur in lateral view (A); left tibia in cranial view (B); left fibula in lateral view (C). Dotted line illustrates impression of ascending process of ipsilateral astragalus. Abbreviations: ca, caudal aspect; cr, cranial aspect; gt, greater trochanter; lc, lateral condyle; lr, lateral ridge; lt, lesser trochanter; mc, medial condyle; pt, posterior trochanter, ttc, lateral tubercle of trochanteric crest. Scale bar equals 10 cm. doi:10.1371/journal.pone.0024487.g008 Figure 9. Tarsal elements of Talos sampsoni (UMNH VP 19479). Left astragalus in medial (A), cranial (B), lateral (C), and proximal (D) views; left calcaneum in lateral view (E). Abbreviations: ap, ascending process; as, astragalar sulcus; g, groove at base of ascending process; ib, intercondylar bridge; mc, medial condyle; lc, lateral condyle. Scale bar equals 3 cm. doi:10.1371/journal.pone.0024487.g009 PLoS ONE | www.plosone.org 9 September 2011 | Volume 6 | Issue 9 | e24487