Lambdaconus

Lambdaconus is a genus of proterotheriid from the Late Oligocene to Early Miocene of Argentina. The type species (main species) of Lambdaconus genus is L. suinus. It was named in 1897 by Ameghino. The referred species include L. lacerum, named as Proterotherium lacerum in 1902 by Ameghino, and L. inaqeuifacies.^[1]

Lambdaconus Temporal range: Late Oligocene-Early Miocene (Deseadan-Colhuehuapian) ~29.0–17.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Litopterna
Family:	†Proterotheriidae
Subfamily:	†Proterotheriinae
Genus:	†Lambdaconus Ameghino, 1897
Type species
†Lambdaconus suinus Ameghino, 1897
Other species
Lambdaconus lacerum (Ameghino, 1902) Lambdaconus inaequifacies (Ameghino, 1904)
Synonyms
Genus synonymy Prothoatherium Ameghino, 1902 Eoproterotherium Ameghino, 1904 Licaphrops Ameghino, 1904 L. lacerum Prothoatherium lacerum Ameghino, 1902 Prolicaphrium festinus Ameghino, 1902 Licaphrops festinus (Ameghino, 1902) Ameghino, 1904 L. inaqeuifacies Eoproterotherium inaequifacies Ameghino, 1904