Orretherium

Orretherium (meaning "Five teeth beast"; in part from the Aonikenk language) is a genus of mesungulatid mammal that lived in South America (Chile) during the Late Cretaceous period in what is now the Dorotea Formation.^[1][2] It is estimated to have weighed ~1.3kg.^[3]

Orretherium Temporal range: Late Cretaceous, Campanian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Lower jaw
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Clade:	†Meridiolestida
Family:	†Mesungulatidae
Genus:	†Orretherium Martinelli et al., 2021
Species:	†O. tzen
Binomial name
†Orretherium tzen Martinelli et al., 2021