PIGNATARO, WEIL, & WILLIAMSON, 2003, JASINSKI, SULLIVAN & LUCAS, 2011

Locality: San Juan Basin, New Mexico.

Horizon: Naashoibito Member, Ojo Alamo Formation.

Biostratigraphy: Alamo Wash Local Fauna.

Age: Late-early or earliest Late Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

NMMNH P-30243: M2 fragment.

NMMNH P-32570: Left M2.

NMMNH P-32771: M1.

NMMNH P-32773: Left M2.

UNM FKK-020: Left M1.