LILLEGRAVEN, 1972

Localities: LAV-7170 and LAV-7171, Near El Rosario, Baja California State, Mexico.

Horizon: “EL Gallo Formation”, Middle one-third of the Upper Campanian.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

LACM 27591: M2.

LACM 27592: i1.