👉 The term "Mecistocephalidae" refers to a family of prehistoric mammals that lived in Europe during the Late Cretaceous period, around 62 million years ago (Mya). These animals were known for their distinctive skull features, including a large nasal cavity and a single eye. The Mecistocephalidae are thought to have been small-bodied, primarily herbivorous mammals that specialized on plants and other vegetation. Mecistocephalids were characterized
