My life reconstruction of Masrasector nananubis, an Egyptian, Late Eocene (Priabonian, ~34 Ma) teratodontine hyaenodont of the size of a mongoose (roughly 1 kg). As described by (Borths & Seiffert 2017), based on the morphology of the distal humerus, it was an agile, terrestrial predator.
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Here I present my life reconstruction of Apterodon langebadreae, a semiaquatic hyainailourid hyaenodont of Middle Eocene Libya. As described by (Grohé et al. 2012), based on the limb morphology, this species possessed pronounced adaptations for digging as well as swimming. Moreover, like all the other members of Hyainailouridae, Apterodon had a proportionally massive head and different body proportions compared to modern carnivorans. In the reconstruction, it is depicted at the edge of a riverbank, accompanied by a few crustaceans as potential prey.
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