Genus: Euclastes COPE, 1867
Etymology:
= Catapleura repandus COPE, 1869
= Dollochelys ZANGERL, 1971
= Rhetechelys HAY, 1908
Etymology:
Species: platyops COPE, 1869
Etymology:
= Lytoloma platyops (COPE, 1869) HAY, 1904
= Rhetechelys platyops (COPE, 1869) HAY, 1908
Holotype: ANSP 10187
Locality: Hurffsville, Camden County, New Jersey.
Horizon: Vincentown Formation.
Biostratigraphy:
Age: Uppermost Maastrichtian Stage?, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Partially damaged skull.
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Species: repandus (COPE, 1869) ULLMANN & CARR, 2021
Etymology:
= Catapleura repandus COPE, 1869
= Osteopygis repandus (COPE, 1869)
= Propleura repanda (COPE, 1869)
Holotype: AMNH 2353
Locality: Barnsboro, Gloucester County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: 3 peripherals and a part of the fourth of the right side, the first of the left side, and for other peripherals, one nearly complete costal and parts of others and a portion of a femur.
Referred material:
= Euclastes wielandi (HAY, 1909)
Etymology:
= Lytoloma wielandi HAY, 1908Holotype:
Locality: Birmingham, Burlington County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
Referred material:
AMNH 2215: Dentary.
YPM 490, 1001:
Locality: Site 1, Stokes Quarry, south side of County Road 407, ca. 0.25 mile (0.40 km) west of County Road 49, 2.85 miels (4.58 km) east of S.C. Route 320, USGS Florence West 7.5' quadrangle, 34°14'21.8"N, 79°30.0"W 50', Darlington County, South Carolina.
Horizon: Coachman Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.
Material:
ChM PV9001: A right quadrate.
ChM PV9002: Left mandibular fragment.
ChM PV9003: Right mandibular fragment.
ChM PV9703: Right dentary.
ChM PV8919, PV8920: Posterior peripherals.
ChM PV8908, PV8921: Peripherals.
Locality: Site 2, Quinby, small tributary of Black Cree, ca. 0.10 mile (0.16 km) east of County Road 1510 (Sand Pit Road), 1.3 miles north of County Road 358 nar Quinby, USGS Florence East 7.5' quadrangle, 34°14'44"N, 79°43'00"W, Florence County, South Carolina.
Horizon: Bladen Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Senoniain Subepoch, Gulf Epoch, Late Cretaceous.
Material:
ChM PV6781: Peripheral.
= Erquelinnesia molaria HAY, 1908Holotype: ANSP 9220
Locality: Birmingham, Burlington County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Jaw.
= Dollochelys atlantica (ZANGERL, 1953)
Etymology:
= Toxochelys atlantica ZANGERL, 1963Holotype: YPM 625
Locality: West Jersey Marl Company pit 1.5 miles east of Barnesboro, Gloucester County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: A partial carapace lacking the anterior portion and plastron fragment.
Referred material:
Locality: Middle Marl Bed at Barnesboro, Gloucester County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
YPM 728: Mandible.
MEHLING & JOHNSON, 2004
Locality: Locality 1, Monmouth County, New Jersey.
Horizon: New Egypt Formation, Monmouth Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Carapace fragments.
PARRIS & DeTAMPLE, 1986
Locality: Permutit Company marl pit near Birmingham, Burlington County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
NJSM 11055: Partial carapace.
Locality: Sewell pit, Gloucester County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
PU 18709: Left peripherals 10 and 11.
Locality: Inversand Company Pit, Sewell, Mantua Township, Gloucester County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
NJSM 12295: A nearly complete carapace, partial plastron, a partial right parietal, and fragments of vertebrae.
NJSM 12321: Partial right hyoplastron and hypoplastron.
NJSM 12361: Fragmentary left peripherals (possibly sixth, seventh, and eighth).
NJSM 12374: Fifth right peripheral.
NJSM 12375: Costal and peripheral fragment.
= Lytoloma angusta WIELAND, 1904 (non COPE)
Etymology:Holotype: AMNH 1133
Locality: Birmingham (Pemberton), Gloucester County, New Jersey.
Horizon: Presumably Hornerstown Formation, Rancocas Group, possibly Navesink Formation, Monmouth Group.
Biostratigraphy:
Age: Middle Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Marginal and fragmentary lower jaw.
Referred material:
YPM 913: Fragmentary skull and dentary.
YPM 625: Shell.
= Lytoloma wielandi HAY, 1908 (partim)
Holotype: YPM
Locality: Hornerstown, Monmouth County, New Jersey.
Horizon: Hornerstown Formation, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Lower jaws, the front of a skull and a carapace.
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Species: coahuliaensis BRINKMAN, AQUILLON-MARTINEZ, DE LEON DAVILA,
JAMNICZKY,
EBERTH & COLBERT, 2009
Etymology: In reference to the state of Coahuila, Mexico.
Holotype: CPC 257 (SEPCP 9/721)
Locality: La Parrita area, UTM coordinates, Zone 14R, E262988, N2827057, datum WGS 84, Coahuila State, Mexico.
Horizon: First marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: An isolated uncrushed skull, with much of the skull roof preserved.
Referred material:
Locality: La Parrita area, exact locality uncertain, Coahuila State, Mexico.
Horizon: First marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 258 (SEPCP 9/769): Isolated skull with internal surface cast of missing skul roof, adn lower jaw preserved in articulation.
CPC 259 (SEPCP 9/722): Skull and carapace, skull fully encsed in matrix with identified, portions of external suprface of skull roof were prepared to confirm its identification.
CPC 263 (SEPCP 9/746): Isolated skull missing posterior end of skull roof, skull roof represented by fragmtnes adhering to matrix, plate exposed except for a rim of materix supporting the tomial ridge.
Locality: Turtle Paradise Locality, La Parrita area, UTM coordinates, Zone 14R, E264433, N2828145, datum WGS 84, Coahuila State, Mexico.
Horizon: Second marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 260 (SEPCP 9/747): Skull.
Locality: Turtle Paradise Locality, La Parrita area, UTM coordinates, Zone 14R, E262990, N2827439, datum WGS 84, Coahuila State, Mexico.
Horizon: Second marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 261 (SEPCP 9/740): Posteriorleft corner of skull.
Locality: Turtle Paradise Locality, La Parrita area, UTM coordinates, Zone 14R, E263641, N2827588, datum WGS 84, Coahuila State, Mexico.
Horizon: Second marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 264 (SEPCP 9/748): Skull and carapace.
Locality: Turtle Paradise Locality, La Parrita area, UTM coordinates, Zone 14R, E264431, N2828138, datum WGS 84, Coahuila State, Mexico.
Horizon: Second marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 265 (SEPCP 9/756): Pelvis, visible in lateral view with associated carapce fragments.
Locality: Turtle Paradise Locality, La Parrita area, Coahuila State, Mexico.
Horizon: Second marine cycle of the Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
CPC 266 (SEPCP 9/757): Posterior end of carapace, including most of costals 5 to 8, along with co-joined neurals and suprapygals.peripheral series missing, plastron elements, disarticulated costals, and string of 10 costal vertebrae present on ventral surface of nodule, part of the left side of carapce preserves original bone surface.
Locality: Locality unknorn, General Cepada area, Coahuila State, Mexico.
Horizon: Cerro del Pueblo Formation.
Biostratigraphy:
Age: Late Campanian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
PABI-32: Carapce preserved in broken nodule revealing left side and medial-most portion of the right side, most of the peripherals are missing, although medial portions of periperals 9 and 10 are preserved.