Fig. 4From: Specialization for amphibiosis in Brachyodus onoideus (Artiodactyla, Hippopotamoidea) from the Early Miocene of FrancePetrosal bone dissected from the cranium of Brachyodus onoideus from Saint-Antoine-de-Filcalba (MNHT SAF 001) in ventrolateral (a), and dorsomedial (b) views compared to the petrosal bone of the extant pygmy hippo Choeropsis liberiensis (M09-5-005A, Faculté des sciences, Poitiers) in ventrolateral (c), and dorsomedial (d) views. Scale bar 1 cmBack to article page