Species: foulkii LEIDY, 1858
Etymology: In honor of William Parker Foulke (1816–1865).
= Trachodon foulkii (LEIDY, 1858) LYDEKKER, 1888
= Hadrosaurus foulkei COPE, 1870 (sic)
= Hadrosaurus faulkii LANGSTON, 1960 (sic)

Holotype: ANSP 10005

Locality: On the south branch of Cooper's Creek, Haddonfield, Camden County, New Jersey.

Horizon: Woodbury Formation, Matawan Group.

Biostratigraphy:

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

Material: Mandibular teeth, fragment of dentary, 28 vertebrae, humerus, radius, ulna, ilium, ischium, femur, tibia, fibula and two metatarsals.

New reconstruction of the skeleton quadrapedal.

New reconstruction of the skeleton bipedal.

Referred material:

HORNER, 1979

Locality: 6 miles NW of Freehold, Monmouth County, New Jersey.

Horizon: Englishtown-Marshalltown Formation, Matawan Group.

Biostratigraphy:

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

Material:

AMNH 7626: Partial jaw.

Locality: 5 miles NW of Freehold on Rte. 9 at Manalapan-Marlboro Township line, 3/4 mile N of Gordons’ Corner, Monmouth County, New Jersey.

Horizon: Matawan Group.

Biostratigraphy:

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

Material:

YPM 21813, 21824: Partial jaw.

 

LYDEKKER, 1888

Locality: Huddersfield, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

BMNH R1007: Transverse section of a tooth.

_____________________________________________________________________________________

Species: cavatus COPE 1871 (nomen dubium)
Etymology: Latin, cavatus, "hollow, hollowed out, excavated."
= Trachodon cavatus (COPE, 1871) HAY, 1902 (nomen dubium)

Holotype: AMNH 1390

Locality: “Greensand No. 5”, Near Swedesboro, New Jersey.

Horizon: Upper Green sand bed, probably Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material: 4 caudal vertebrae.

_____________________________________________________________________________________

Species: minor MARSH, 1870 (nomen dubium)
Etymology: Latin, minor, "minor, small."
= Edmontosaurus (“Hadrosaurus”) minor BAIRD & HORNER, 1977

Holotype: YPM 1600

Locality: Near Barnsboro, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Or more likely Chocolate marl, or Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material: Several dorsal and lumbar vertebrae.

Referred material:

Locality: Turner's Pits, Swedesboro, New Jersey.

Horizon: Marshalltown Formation, Matawan Group.

Biostratigraphy:

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

Material:

YPM 1587: Fragment of femur.

 

Locality: Mullica Hill, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Or more likely Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

YPM 1593: Posterior dorsal?

 

Locality: Sewell, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

ANSP 15237:

 

COLBERT, 1948

Locality: From a pit at the Hungerford and Terry Corporation, Near Sewell, Gloucester County, New Jersey.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

ANSP 15202: Pubis, fragment of ischium, right femur, fragmentary fibula, anterior dorsal vertebrae, anterior caudal vertebrae, and chevron.

 

GALLAGHER, 1993

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

Horizon: Navesink Formation, Just below contact with overlying Hornerstown Formation, Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 15136: Vertebral centrum.

 

GALLAGHER & PARRIS

Locality: Inversand Company Pit, 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 11880: Left tibia.

_____________________________________________________________________________________

Species: ? breviceps MARSH, 1889 (nomen dubium)
Etymology: Latin, brevis, "short" and Latin, -ceps, "head."
= Trachodon breviceps (MARSH, 1889) MARSH, 1896 (nomen dubium)
= Kritosaurus breviceps (MARSH, 1889) LULL & WRIGHT, 1942 (nomen dubium)

Holotype: YPM 1779

Locality: At the mouth of the Judith River as it enters the Missouri, Bearpaw Mountain, Yellowstone, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Right dentary fragment.

Referred material:

SAHNI, 1972

Locality: Clambank Hollow, Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

AMNH 8525: About a dozen teeth.