Species: littoralis MARSH, 1870
Etymology: Latin, littoralis, “the shore.”

Holotype: YPM 830

Locality: "Middle marl beds" by Nicholas Waln’s from his marl pits near Hornerstown, Upper Freehold Two. Monmouth County, New Jersey.

Horizon: Either upper Navesink Formation, Monmouth Group or basal Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Distal portion of left tibiotarsus lacking most of inner condyle.

Referred material:

Locality: From the main fossiliferous layer of the Inversand Company marl pit, Sewell, Mantua Twp, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

NJSM 11303: Distal portion of a left humerus.

Note: There is some debate on whether this formation is Maastrichtian, Late Cretaceous or Danian, Early Paleocene.