BLAIN, CANUDO, CUENCA-BESCOS & LOPEZ-MARTINEZ, 2010
Locality: Blasi 2, Aren, south-central Pyrenees, Huesca Province, Spain.
Horizon: Aren Sandstone, Arenisca Formation (Upper Tremp Formation).
Biostratigraphy:
Age: Late Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
MPZ 2009/331: Posterior caudal vertebra.