This 'crazy beast' was a weird early mammal that lived among dinosaurs - CNN

Researchers have uncovered the fossil of an early mammal named the "crazy beast" that lived 66 million years ago on Madagascar, and it's unlike any mammal, living or extinct, ever known. https://www.cnn.com/2020/12/18/world/crazy-beast-fossil-mammal-scn-trnd/index.html