†Lambdaconus Ameghino 1897 (placental mammal)
Mammalia - Litopterna - Proterotheriidae
Parent taxon: Proterotheriidae according to A. G. Kramarz and M. Bond 2005
Sister taxa: Anisolambda, Caliphrium, Deuterotherium, Diadiaphorus, Diplasiotherium, Eoauchenia, Eoproterotherium, Epecuenia, Epitherium, Guilielmofloweria, Heptaconus, Heteroglyphis, Licaphrium, Licaphrops, Megadolodinae, Phoradiadius, Picturotherium, Polyacrodon, Polymorphis, Prolicaphrium, Proterotheriinae, Proterotherium, Prothoatherium, Ricardolydekkeria, Tetramerorhinus, Thoatherium, Tichodon, Xesmodon
Subtaxa: Lambdaconus lacerum, Lambdaconus suinus
Type: Lambdaconus suinus
Ecology: scansorial herbivore