Mammalia - Notoungulata - Henricosborniidae

Alternative combination: Postpithecus curvicrista

Full reference: F. Ameghino. 1901. Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia]. Boletin de la Academia Nacional de Ciencias de Córdoba 16:349-429

Belongs to Othnielmarshia according to G. G. Simpson 1948

See also Ameghino 1901

Sister taxa: Othnielmarshia lacunifera, Othnielmarshia reflexa

Type specimen: Its type locality is Río Chico Oeste, which is in a Lutetian/Bartonian terrestrial horizon in Argentina

Distribution: found only at Río Chico Oeste

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Specimen images are retrieved through the ePANDDA API.