Species: insuetus COPE 1878
Etymology:
Holotype: ANSP 20128
Locality: Pemberton, Burlington County, New Jersey.
Horizon: Basal Hornerstown Formation, Rancocas Group, Greensand.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Some neural bones, the entoplastron, the hyoplastron, the hypoplastron
and some costals.