In Depth
Dated to the Oligocene period, Ysengrinia is one of the earliest of the larger bear dogs (earlier ones like Cynodictis were smaller) and lived at a time when the world was dominated by creodont predators.
Further Reading
– New carnivores from the basal Middle Miocene of Arrisdrift, Namibia. – Eclogae geologicae Helvetiae 91:27-40. – J. Morales, M. Pickford, D. Soria & S. Fraile – 1998. – Intercontinental migration of Neogene Amphicyonids (Mammalia, Carnivora): Appearance of the Eurasian beardog Ysengrinia in North America. – American Museum Novitates. 3384 (1): 1–53. – R. M. Hunt – 2002.