Mongolonyx is an extinct genus of mesonychid that lived from the Early to Middle Eocene in Inner Mongolia (China). M. dolichognathus, the type species, was described by Szalay and Gould (1966). M. dolichognathus fossils have been found in the Irdin Manha beds, in Inner Mongolia. It was a huge carnivorous animal comparable in size to a large bear.
References
External links Digital Library Paleo Data Science Ancient Research