Lambdotherium

{{Short description|Extinct genus of mammals}}

{{one source|date=April 2022}}

{{Automatic taxobox

| fossil_range = Eocene

| image = Reconstruction-of-the-skull-of-Lambdotherium-popoagicum-from-Osborn-1929-fig-233.png

| image_caption =

| taxon = Lambdotherium

| authority = Cope, 1880

}}

Lambdotherium ("wave beast") is a genus of North American brontothere.{{Cite web |title=Fossilworks: Lambdotherium |url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=246242 |access-date=2022-04-26 |website=Paleobiology Database}}