FIG. 21 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria

FIG. 21. — Details of left tibiae; A-D, Caluromys; E-H, Metachirus; A, E, proximal view of proximal end; B, F, posterior view of proximal end; C, G, distal view of distal end; D, H, posteromedial view of distal end. For numbered designations of specific characters see text. Abbreviations: ATil, lateral astragalotibial facet; ATim, medial astragalotibial facet; FeTil, lateral femorotibial facet; FeTim, medial femorotibial facet; mc, meniscus; TiFip, proximal tibiofibular facet; tmm, tibial medial malleolus; tqfcr, tibial crest for quadriceps femoris. Scale bar: 2 mm.