Fig. 4 in A new species of the "condylarth" Hyopsodus from the middle Eocene of the Erlian Basin, Inner Mongolia, China, and its biostratigraphic implications

Fig. 4. Mandible fragments and teeth for several species of "condylarth" mammal Hyopsodus previously reported from China utilizing µ-CT scanning A, B) and SEM images (C). A. Hyopsodus turpanensis Zhai, 1978 (IVPP V 4355) from the early Eocene Shisanjianfang Formation, Turpan Basin, Xinjiang, China. The left mandible with p2–p3 root, p4 talonid and m1–m3 in occlusal (A1, A2), lingual (A3), and buccal (A4) views, horizontal (A5) and longitudinal (A6) sections. B. Hyopsodus fangxianensis Huang, 1985 (IVPP V 12005) from the early Eocene Youping Formation, Fangxian, Hubei, China. The right mandible with m1–m3 in occlusal (B1), buccal (B2), and lingual (B3) views; cross section at the level of m2 trigonid (B4). C. Hyopsodus huashigouensis Tong, 1989 (IVPP V 7921) from the middle Eocene Üqbulak Formation, Junggar Basin, Xinjiang, China. The right m2 in occlusal (C1), lingual (C2), and buccal (C3) views.