Fig. 7. A–F in Gomphos elkema (Glires, Mammalia) from the Erlian Basin: Evidence for the Early Tertiary Bumbanian Land Mammal Age in Nei-Mongol, China

Fig. 7. A–F. Ventral, dorsal, posterior, medial, lateral, and distal views of left astragalus of Gomphos elkema (IVPP V13510.2). Abbreviations: ACu, astagalocuboid facet; AFi, astragalofibular facet; AN, astragalonavicular facet; ATim, medial astragalotibial facet; CaA, calcaneoastragalar facet; sa, sulcus astragali; su, sustentacular facet; suh, sustentacular hinge; trlr, lateral rim of astragalar trochlea; trmr, medial rim of astragalar trochlea.