APESTEGUIA, DE VALAIS, CORDERO, & RAMIREZ, 2011
Locality: Toro Toro tracksite, along the banks of the Toro Toro before it flows into the Condor Mayu River, Potosi Department, Boliivia.
Horizon: Toro Toro Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material:
CFA-PA-852, one unnumbered specimen: 8 isolated tracks.