When was the Pachyaena reported?

Answer 1

Pachyaena, an extinct genus of mammal, was first reported in the late 19th century, specifically in 1892 by the American paleontologist Edward Drinker Cope. Fossils of Pachyaena have been found in North America, dating back to the late Paleocene to early Eocene epochs. This genus is significant as it provides insight into the early evolution of mammals following the age of dinosaurs.