Yeutherium is an extinct genus of mammal from the Reigitheriidae that lived during the Late Cretaceous (Late Campanian-Maastrichtian). Its fossils have been found in the Dorotea Formation in Chile and the type species is Y. pressor.

Discovery and naming

The holotype was discovered in the Dorotea Formation in Chile and it consists of a partial maxilla with an associated molar.

Yeutherium pressor was named and described by Püschel et al. (2025).

Description

Yeutherium was estimated to weigh around 30 ounces (850 g) when fully grown. Its dentition was also specialised towards crushing food.

Classification

Yeutherium was also found to be close to Reigitherium, and it was subsequently placed into Reigitheriidae as only the second genus in the family.