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.

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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.

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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.

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= Hadrosaurus minor? MILLER, 1967, non MARSH, 1870

Locality: Phoebus Landing, Cape Fear River, Bladen County, North Carolina.

Horizon: Black Creek Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

USNM 7096: Right dentary fragment (unpublished).