Genus: Parrisia DENTON & O’NEIL, 1998
Etymology: In honor of David C. Parris, vertebrate paleontologist, geologist and natural history curator, New Jersey State Museum; and in recognition of his constant encourgement and guidance in the continuining Ellisdale project.
= Nova DENTON & O’NEIL, 1995

Species: neocesariensis DENTON & O’NEIL, 1998
Etymology: In honor of the State of New Jersey, the location of the Ellisdale site and the currently known range limit of the species.

Holotype: NJSM 16609

Locality: Ellisdale Site, Quarry “B”, Quarry “C”, Logjam Quarry, Easter Quarry, southwest of Allentown, in Upper Freehold Township, Monmouth County, New Jersey.

Horizon: Basal Marshalltown Formation, Matawan Group.

Biostratigraphy:

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

Material: A comlete atlas.

Referred material:

NJSM 16752, 15875, 15828, 15280, 15651, 14691: Dentaries.

NJSM 14690B, 16613: Atlas vertebrae.

NJSM 14207: 2nd cervical vertebra.

NJSM 16756: Anterior throacic vertebra.

NJSM 15042A: anterior caudal vertebra.

NJSM 16555: Caudal vertebra.

NJSM 15042a: Caudal vertebra.

NJSM 15042: 3 posterior caudal vertebrae.