Fig. 2 in Morphological Diversity in the Postcranial Skeleton of Casamayoran (?Middle to Late Eocene) Notoungulata and Foot Posture in Notoungulates

Fig. 2. Isotemnid humeri from Cañadón Vaca, Casamayoran SALMA (Vacan ''subage''). Anterior (above) and distal (below) view of humeri of A, Ansiotemnus distentus, AMNH 28906; B, Thomashuxleya extena, AMNH 28653; and C, Plexotemnus similis, AMNH 28904. Scale bar applies to all. Panels A and B show right humeri and panel C shows a left humerus (but digitally reversed for ease of comparison). Abbreviations are: cap, capitulum; Δc, deltoid crest; ent f, entepicondylar foramen gt, greater tubercle; lt, lesser tubercle; m flg, medial flange; pc, pectoral crest; tt, teres tubercle.