Mammalia - Panameriungulata - Macraucheniidae

Alternative combination: Megacrodon planus

Full reference: S. Roth. 1899. Aviso preliminar sobre mamíferos mesozóicos encontrados en Patagonia [Preliminary notice on Mesozoic mammals found in Patagonia]. Revista del Museo de La Plata 9:381-388

Belongs to Polymorphis according to G. G. Simpson 1948

See also Roth 1899

Sister taxa: Polymorphis alius, Polymorphis lechei

Type specimen: edentulous mandible, a mandible. Its type locality is Lago Musters, which is in a Mustersan terrestrial horizon in Argentina.

Distribution: found only at Lago Musters

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Specimen images are retrieved through the ePANDDA API.