Genus: Agomphus COPE, 1871
Etymology:
= Amphiemys
Etymology:

Species: pectoralis (COPE, 1868)
Etymology:
= Pleurosternum petorale COPE, 1868
= Adocus pectoralis (COPE, 1868) COPE, 1869

Holotype: AMNH 1478

Locality: Near Medford, Burlington County, New Jersey.

Horizon: Greensand.

Biostratigraphy:

Age: Late Cretaceous.

Material: Both hyoplastral bones.
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Species: firmus (LEIDY, 1856)
Etymology:
= Emys firmus LEIDY, 1856
= Adocus firums (LEIDY, 1856) COPE, 1868

Holotype: Rutgers 1.K.V.8

Locality: Tinton Falls, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Third, sixth and seventh left peripherials, sixth, seventh, and eight peripherials of the right side, portion of the left hyoplastron, and portion of the right hypoplastron.

Referred material:

= Adocus petrosus COPE, 1868
Etymology:
= Emys petrosus (COPE, 1868) COPE, 1869
= Agomphus petrosus (COPE, 1868) COPE, 1871

Holotype: AMNH 1482

Locality: Gloucester, Camden County, New Jersey.

Horizon: Matawan Group.

Biostratigraphy:

Age: Late Cretaceous.

Material: Right hyoplastron, 5 peripheral bones, with perhaps a fragment of another, portions of four costal bones, a fragment of the right hypoplastron.

 

= Emys turgidus COPE, 1869
Etymology:
= Adocus turgidus (COPE, 1869)
= Agomphus turgidus (COPE, 1869)

Holotype: AMNH 1481

Locality: Mount Holly, Burlington County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Fragmentary plastron.

Referred material:

Locality: New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

AMNH 776: Hyoplastra and epiplastron.

 

Locality: Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

YPM 900:

 

Locality: Inversand Pit, Sewell, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

ANSP 15359

NJSM 12328:

 

Locality: Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

YPM:

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Species: tardus (COPE, 1869) COPE, 1871
Etymology:

Holotype: AMNH 774

Locality: Pemberton marl pits at Birmingham, Burlington County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Fragmentary carapace and plasteron.
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Species: masculinus WIELAND, 1905
Etymology:

Holotype: AMNH 671

Locality: West Jersey marl Company pit, Barnsboro, Gloucester County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Plastron.