👉 The term "Neopygmephoridae" refers to a group of extinct, relatively small, and very ancient mammals that lived during the Late Cretaceous period (120 million years ago) in North America. This group is known for its unique anatomy, including a long neck, a large skull with a distinctive ridged ridge at the back, and a long, flexible tail. The Neopygmephorids are believed to have been primarily herbivores, scavengers
