FIG. 2 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria

FIG. 2. — Juvenile to adult ontogenetic series, from left to right, of five left humeri of Didelphis virginiana; A, proximal ends; B, lateral view of proximal end of largest specimen; C, medial view of proximal end of largest specimen; D, anterior view of distal ends; E, posterior view of distal ends. Abbreviations: hbgr, humeral bicipital groove; hcap, humeral capitulum; hcfo, humeral coronoid fossa; hhd, humeral head; hlec, humeral (lateral) ectepicondyle; hlecr, humeral (lateral) ectepicondylar crest; hlfcap, humeral lateral flange of capitulum; hltub, humeral lateral (greater) tuberosity; hmtub, humeral medial (lesser) tuberosity; hmec, humeral (medial) entepicondyle; hofo, humeral olecranon fossa; hplcr, humeral posterolateral crest; hpmcr, humeral posteromedial crest; hrfo, humeral radial fossa; hscf, humeral supracondyloid foramen; hscr, humeral supracondyloid ridge; htr,; HuUlz, zonal humeroulnar facet; hzcon, humeral zona conoidea; rasgr, groove for radial sesamoid. Scale bar: 4 mm.