Locality: Cuenca Alamor-Lancones, Ecuador

Horizon: Rio Playas Formation.

Biostratigraphy:

Age: Campanian-Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

YM-UTPL_002: Fragmentary sacrum.

YN-INPC-014: Medal caudal vertebra.

YM-INPC-015-17: Various incomplete appendicular elements.