👉 Pachygnathus is a genus of pachygraphids, which are extinct mammals from the Late Cretaceous period. They were small herbivores that lived in Eurasia and North Africa during the last ice age. These animals had large, elongated tails that could be as long as 4 feet (1.2 meters) and weighed up to 500 pounds (230 kilograms). Pachygnathus was a terrestrial mammal with short
