Species: magnus LEIDY, 1851
Etymology: Latin, magnus, "large."
= Discosaurus magnus (LEIDY, 1851) LEIDY, 1870 (nomen vanum)

Holotype: ANSP 9235

Locality: Burlington County, New Jersey.

Horizon: Navesink Formation, Monmouth Group, or Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: 13 vertebral centra.

After Leidy, 1854.

Referred material:

BAIRD, 1986

Locality: Locality B, Prince Georges County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

Decina Coll.; cast, PU 23625: Tooth.

 

CALLAHAN, JOHNSON & MEHLING, 2010

Locality: Spheno Run, Maryland.

Horizon: New Egypt Formation, Monmouth Group.

Biostratigraphy:

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

Material:

Number: Not given:

GALLEGHER, 1993

Locality: Pensauken Gravel, Big Brook, Marlboro Township, Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Pleistocene.

Material:

NJSM 12201: An oxidized worn tooth.
Note: Reworked.

 

Locality: Harding Farm, Hop Brook, Holmdel, Monmouth County, New Jersey.

Horizon: Probable out of the Navesink Formation by way of the Pleistocene gravel.

Biostratigraphy:

Age:

Horizon:

NJSM 12197: Worn and iron-stained vertebral centrum.

 

HARTSTEIN, DECINA & KEIL, 1999

Locality: Near the town of Bowie, 76°42’30”, 38°57’50:, Prince Georges County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

Folmer collection: Tooth.

Lauginiger collection: Centra.

 

LAMBE, 1902, SATO, EBERTH, NICHOLLS & MANABE, 2005

Locality: Red Deer River below Berry Creek, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

CMN "Lambe numbers" 475s-z, ww, xx, yy, CMN 1079: 12 posterior vertebrae.

CMN "Lambe number" 475r: Sacral.

Note: One vertebrae is missing from Lambe's original description (SATO, EBERTH, NICHOLLS & MANABE, 2005)

Note: Freshwater.

 

LEIDY, 1864

Locality: Freehold, Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Dorsal vertebrae.

 

LEIDY, 1865

Locality: Near Freehold, Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Green Sand, Late Cretaceous.

Material:

Number: Not given: 14 centra.

 

LYDEKKER, 1889

Locality: Withers-Green County, Alabama.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

BMNH 40981: Posterior Dorsal centrum.

 

PARRIS, GRANDSTAFF & CLEMENTS, 1998

Locality: East Coast Limestone Quarry, Maple Hill, Pender County, North Carolina.

Horizon: Scotts Hill member, Peedee Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Substage, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

PARRIS, 1974

Locality: On the Property of Oscar Damminger, Harrison Township, Gloucester County, New Jersey.

Horizon: Navesink (= New Egypt) Formation, Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 11262: 10 vertebral centra, portions of neural arches and ribs, and 2 tooth fragments.

 

Locality: Not known.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 6652: Caudal centrum.

NJSM 6653: 2 dorsal centra.

_____________________________________________________________________________________

Species: planior (LEIDY, 1870) COPE, 1875 (nomen dubium)
Etymology:
= Discosaurus planior LEIDY, 1870 (nomen dubium)

Holotype: Lost.

Locality: New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Caudal centrum.
_____________________________________________________________________________________

Species: planus OWEN, 1869 (nomen dubium)
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Referred material:

OWEN, 1869

Locality: Louppy, Meuse Department, Northern France.

Horizon:

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Vertebrae.

 

= Plesiosaurus winsporensis SEELEY, 1871 (nomen dubium)
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

_____________________________________________________________________________________

Species: tenuis HECTOR, 1874 (nomen dubium) (partim)
Etymology:

Lectotype: DM R1543

Locality: Haumuri Bluff, South Island, New Zealand.

Horizon:

Biostratigraphy:

Age: Haumurian, Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Head of a propodal.
_____________________________________________________________________________________

Species: smithi (OWEN, 1884)
Etymology:

Holotype:

Locality: Kent County, England, Southern United Kingdom.

Horizon: Upper Chalk.

Biostratigraphy:

Age: Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Middle Cretaceous -Campanian Stage, Middle Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Referred material:

BENTON & SPENCER, 1995

Locality: Culand Pits, Burham, (TQ 738617), Kent County, England, Southern United Kingdom.

Horizon: Lower Chalk-Upper Chalk.

Biostratigraphy:

Age: Cenomanian-Turonian Stage, Upper Gallic Subepoch, Lower Gulf Epoch, Middle-Late Cretaceous.

Material:

BMNH 40097: Paddle bones.

_____________________________________________________________________________________

Species: cantabrigiensis LYDEKKER, 1889 (nomen dubium)
Etymology:

Holotype:

Locality: England, Southern United Kingdom.

Horizon: Cambridge Greensand.

Biostratigraphy:

Age: Cenomanian Stage, Upper Middle Galic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material: Cervical centra.

Referred material:

BENTON & SPENCER, 1995

Locality: East Wear Bay, Folkestone, (TR 243366), Kent County, England, Southern United Kingdom.

Horizon: Lower-Upper Gault.

Biostratigraphy:

Age: Albian Stage, Middle Malm Epoch, Upper Lower Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given:

_____________________________________________________________________________________

Species: andium DECKE, 1894 (nomen dubium)
Etymology:

Holotype:

Locality: Central Chile.

Horizon: Quiriquina Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Several different indivudals.

Referred material:

BRIOLI, 1930

Fragmentary forelimb.

_____________________________________________________________________________________

Species: maccoyi ETHERIDGE, 1904 (nomen dubium)
Etymology:

Holotype: AM F9630-F9684 and F 9928

Locality: White Cliffs, New South Wales State, Australia.

Horizon: Coreena Formation.

Biostratigraphy:

Age: Aptian Stage, Middle Gallic Subepoch, Lower Cretaceous Epoch, Middle Cretaceous.

Material: 1 tooth, 36 vertebral centra, both femora incomplete, fragments of ribs, girdle bones and limb bones.
_____________________________________________________________________________________

Species: teplicensis FRITSCH, 1905 (nomen dubium)
Etymology:

Holotype:

Locality: Hundorf, Czech Republic.

Horizon: Teplkitz shales.

Biostratigraphy:

Age: Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: Indeterminate fragments.
_____________________________________________________________________________________

Species: lissaensis FRITSCH, 1905 (nomen dubium)
Etymology:

Holotype:

Locality: From a quarry behind the castle in Lissa, Czech Republic.

Horizon: Weissenberger shale of the Turonian Planer.

Biostratigraphy:

Age: Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: Indeterminate fragments.
_____________________________________________________________________________________

Species: vicinus FRITSCH, 1905 (nomen dubium)
Etymology:

Holotype:

Locality: Chrast, Czech Republic.

Horizon: Iser Shale.

Biostratigraphy:

Age: Turonian Stage, Uppermost Gallic Subepoch, Lower Early Cretaceous Epoch, Late Cretaceous.

Material: Weathered fragments.
_____________________________________________________________________________________

Species: hirzsbergi KUHN, 1934 (nomen dubium)
Etymology:
= Cimoliasaurus portlandicus HIZBERG, 1924 (nomen dubium) non OWEN, 1869
= Cimoliasaurus mizbergi KUHN, 1934 (sic)

Holotype:

Locality: Brzostowka, Gmina of Serniki, Lubartów (Lubartow) Province, Poland.

Horizon: Portlandian.

Biostratigraphy:

Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Vertebrae.