👉 Eccoptolonthus is an extinct genus of mammals from the Late Cretaceous period, which occurred around 98-72 million years ago. This group was characterized by having a long neck and a short, slender body with a broad skull and large nostrils. Ectoptolonthus had a distinctive beak that could open its mouth wide to eat prey from the ground. They lived in grasslands and forests of Europe, Asia, and North Africa during the late