Locality: New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

AMNH 775: Hypoplastra and xiphiplastron.

_____________________________________________________________________________________

GALLAGHER, PARRIS & SPAMER, 1986

Locality: Inversand Company, Sewell, Mantua Township, Gloucester County, New Jersey.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

Age: Middle Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

NJSM 13753:

_____________________________________________________________________________________

MILLER, 1953

Locality: Swell, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

ANSP no number: