👉 The term "Gymnorhadinorhynchidae" is a family of extinct, small-to-medium-sized mammals that lived during the Late Cretaceous period from about 10 million to 6.5 million years ago. These animals were characterized by their slender body structure, large ears, and short legs. They are not known for their intelligence or social organization, but they had a relatively simple diet consisting of plants. Gammorhodonts were the only mammals in
