AnisolambdinaeAnisolambdinae is an extinct subfamily of litoptern ungulates known from the EoceneMiocene of South America. Members of the group are only known for the brachydont teeth.EtymologyAnisolambdinae refers to their similarity to the type taxon: Anisolambda.DescriptionThe anisolambdines are small litopterns known only by teeth. They have a well developed paralophid in the lower molars, ending in a large paraconid.DistributionThey are found in Argentina, Brazil and Colombia.