Platecarpus brachycephalus LOOMIS,
1915 (nomen dubium)
Etymology:
Holotype: No 388
Locality: Black Hills Wyoming.
Horizon: Pierre Formation.
Biostratigraphy:
Age: Late Cretaceous.
Material: Skull, 23 vertebrae, cervical and dorsal vertebrae, right scapula, left coracoid, forelimb and hind limb.
Referred material:
RUSSELL, 1967
Locality: The head of Mule Creek, 20 miles due west of Edgemont, South Dakota.
Horizon: Virgin Creek Member, Pierre Formation.
Biostratigraphy: Baculites eliasi zone.
Age: Lower Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
AC 389: Fragmentary skull and fragmentary skeleton.
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BEAVAN & RUSSELL, 1999
Locality: Microvertebrate site, Bone bed [BB] 96, near Dinosaur Provencal Park, Newell County,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:
RTMP 93.301.35: Tooth.
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BELL, 1997
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
RMM 2048:
YPM 40735, 55673:
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FERNANDEZ, MARTIN & CASADIO, 2008
Locality: Locality B, S39°46'12.6", W66°40'55.1", Trapalco and Santa Rosa depression, Rio Negro Province, Northern Patagonia, Argentina.
Horizon: Upper part of the Jagüel Formation.
Biostratigraphy:
Age: Upper Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material:
MML-PV7: 2 cervical, 10 dorsal, and 12 caudal vertebrae, 1 tooth and fragments of a mandible.
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GALLAGHER, 2005
Locality: C& D Canal at Summit, New Castle County, Delaware.
Horizon: Merchantville Formation, Matawan Group.
Biostratigraphy:
Age: Coniacian Stage, Lowermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
MAPS A-1207a: 2 vertebrae, 2 metatarsals, plus 4 phalanes.
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GALLAGHER, PARRIS & SPAMER, 1986
Locality: Inversand marl pit in Sewell, Mantua Township, New Jersey.
Horizon: Basal Hornerstown Formation, Greensand, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
NJSM 11070:
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HARRELL JR, & PEREZ-HUERTA, 2015
Locality: Ft. Deposit, Butler County, Alabama.
Horizon: Prairie Bluff Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
ALMNH PV 1991.0032.0001: Isolated vertebra.
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HOGANSON, ERICKSON & GITMAN, 1994, HOGANSON & ERICKSON, 2004
Locality: Missouri River valley, North Dokata.
Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.
Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Teeth.
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HOGANSON, ERICKSON & HOLLAND, 2007
Locality: NDSFC Locality LO64, Logan County, North Dakota.
Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.
Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
ND 95-13.55: Tooth.
ND 99-6.3: Tooth.
Locality: NDSFC locality S1121, Sioux County, North Dakota.
Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
ND 95-3.1: Tooth.
ND 95-2.1: Tooth.
Locality: NDSFC locality BO80, Bowman County, North Dakota.
Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
ND 95-4.1: Broken tooth.
Locality: UND locality RF130-78.6, Emmons County, North Dakota.
Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UND-PC 15896: Broken and eroded tooth.
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HOGANSON, HANSON, HALVORSON & HALVORSON, 1996
Locality: Along the Sheyenne River valley, 85 km southeast of Cooperstown, Briggs County, East Central North Dakota.
Horizon: Degrey member, Pierre Shale.
Biostratigraphy:
Age: Campanian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Nearly complete skeleton. Teeth and vertebrae of other specimens.
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HOLMES, 1996
Locality: South Saskatchewan locality, Alberta Province, Canada.
Horizon: Bearpaw Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
NMC 34441: Isolated quadrate.
P 1957: Isolated teeth, vertebrae, and limb elements.
P 1793.1: Left quadrate of a very large individual.
P 1795.1: Cervical vertebrae of a very small individual.
P. 2036.1: Premaxilla, maxilla and pterygoid.
Locality: Anderson River, North West Territory, Canada.Horizon: Mason River Formation.
Biostratigraphy:
Age: Late Cretaceous.
Material:
NMC 11394: Isolated quadrate of a small individual.
Locality: Manyberries, Forty Mile County, Alberta Province, Canada.Horizon: Bearpaw Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
RTMP 83.64.2: Right dentary with teeth, left postdentary series, partial skull, cervical vertebrae and ribs.
Locality: Red Deer River north of Iddlesleigh, Alberta Province, Canada.Horizon: Bearpaw Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
RTMP 83.126.1: Articulated posterior dorsal series, pelvic girdle and limb, and of to tail of ?Platecarpus. Associated, in region of the stomach are vertebrae, back of the lower jaw and other fragments of a very small Plioplatecarpus sp.
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HOLMES, CALDWELL & CUMBAA, 1999
Locality: Site 4 of Langston, 1976, Scabby Butte, Lethbridge County, Alberta Province, Canada.
Horizon: St. Mary River Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMC 21853: 2 articulated and virtually complete pectoral limbs, several ribs, calcified sternal ribs, 3 vertebrae from the mid-thoracic region, and articulated vertebral series including the last 2 thoracics, 12 pygals, and 26 caudals, 7 partial vertebrae, rib fragments and a partial scapular blade were found as surface float.
Note: Found in a freshwater deposit.
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LANGSTON, 1975
Locality: Site 4, Scabby Butte, Lethbridge County, Southern Alberta Province, Canada.
Horizon: St. Mary River Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMC 21853: Incomplete but partly articulated skeleton, 2 complete articulated anterior paddles, posterior dorsal vertebral series, 15 pygals, and parital caudal series, ribs, limb and girdle fragments and dermal ossifications.
NMC 21830: A distal caudal vertebra.
Note: Freshwater.
Locality: Bastad, NW Scania, Sweden.
Horizon:
Biostratigraphy:
Age: Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LM LO 3883 T: Tooth crown.
LO 3883 T: Tooth Crown.
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LINDGREN & JAGT, 2005
Locality: On the shore below the cliffs near Holtug, Stevns Kridtbrud, along Stevns Klint, Sjaelland, eastern Denmark.
Horizon: White Chalk, eitehr the Hojerup Member or Sigerslev Member.
Biostratigraphy: Belemnella (Neobelemnella) kazimiroviensis zone.
Age: Uppermost Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MGUH DK 424: A marginal tooth crown, an incomplete tooth base, a piece of ?sclerotic ring, and several unidentifiable skeletal fragments, presumably from a single individual.
NHMD 189763: Tooth.
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LINGHAM-SOLIAR, 1991
Locality: Mont. Igdama, Illemmeden Basin of Niger, Central West Africa.
Horizon: Dukamaje Formation, ("Mosasaurus" Shales).
Biostratigraphy:
Age: Late Cretaceous.
Material:
BMNH R11924: Fairly well preserved mid-cervical vertebra.
Locality: Tahout, Illemmeden Basin of Niger, Central West Africa.Horizon: Dukamaje Formation, (Upper "Mosasaurus" Shales).
Biostratigraphy:
Age: Late Cretaceous.
Material:
BMNH R11982: A posterior caudal vertebra.
BMNH R11950: Numerous vertebrae probably belonging to a single specimen.
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LINGHAM-SOLIAR, 1994
Locality: Manzadi, Bas Congo, Democratic Republic of the Congo (Formerly the Belgian Congo, Zaire).
Horizon:
Biostratigraphy:
Age: Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: 4 well preserved teeth, possibly from different individuals.
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REMPERT, MARTENS & VINKELES MELCHERS, 2024
Locality: Lee/Prentiss Counties, Mississippi.
Horizon: "Frankstown Sand", Lower Demopolis Chalk.
Biostratigraphy:
Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
REMPC M0192: Margintal tooth crown.
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WOODS, 2004
Locality: Johnson County, Wyoming.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
Tate Museum: Adult skeleton.
Note: Found with small embryonic teeth.