Mammalia - Megatherioidea - Megalonychidae

Belongs to Protomegalonyx according to D. Brandoni 2009

Sister taxa: Protomegalonyx doellojuradoi, Protomegalonyx praecursor

Type specimen: MLP 32-IV-20-15, a limb element (distal fragment of right femur)

Ecology: ground dwelling herbivore

Distribution: found only at Arroyo Chasicó (Miocene of Argentina)

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Specimen images are retrieved through the ePANDDA API.