Holotype: IGM 7466
Locality: Tlayua Quarry, locality number IGM-370 Cantera Tlayua Aranguty, 2 km south east of the Colonia Morelos, near Tepexi de Rodriguez, Puebla State, Mexico.
Horizon: Middle member of the Tlayua Formation.
Age: Middle or Late Albian Stage, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.
Material: Nearly complete specimen with scales.