Fig. 3From: Oldest ctenodactyloid tarsals from the Eocene of China and evolution of locomotor adaptations in early rodentsComparative morphology of the calcaneus (right). Tamquammys robustus (a) IVPP V24136.3, T. wilsoni (b) IVPP V24137.1, extant rodents: Rattus norvegicus (c), Marmota marmota (d), Sciurotamias davidianus (e), Cynomys ludovicianus (f), Ondatra zibethicus (g), and Paleocene rodentiaform Tribosphenomys minutus (h, left bone, mirror view). From top to bottom: caudal, dorsal, lateral, plantar, and cranial viewsBack to article page