Isotemnidae

Isotemnidae
Thomashuxleya
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Notoungulata
Suborder: Toxodontia
Family: Isotemnidae
Ameghino 1897
Genera

Isotemnidae is a paraphyletic extinct family of notoungulate mammals known from the Paleocene (Las Flores Formation, Itaboraian) to Middle Miocene (Honda Group, Laventan) of South America.