Orretherium tzen

Orretherium is a genus of fossil mammal of the Mesungulatidae family that lived in South America during the Upper Cretaceous in Chilean Patagonia about 72 to 74 million years ago, at the end of the Mesozoic era.
https://www.uchile.cl/noticias/174258/investigadores-descubren-nuevo-mamifero-de-la-era-de-los-dinosaurios
https://www.nature.com/articles/s41598-021-87245-4