PaleoDB taxon number: 200125
Full reference: F. L. Agnolin and A. G. Martinelli. 2009. Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina. Journal of South American Earth Sciences 27:42-49
Sister taxa: none
Type specimen: MACN PV RN 1108, a limb element (Proximal third of a left humerus). Its type locality is Los Alamitos vertebrates, middle section, which is in a Campanian/Maastrichtian lacustrine - large siltstone/sandstone in the Los Alamitos Formation of Argentina.
Ecology: ground dwelling carnivore