BRAMAN, 1988
Locality: Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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BREITHAUPT, 1982
Locality: UW Locality V-79032, east flank of Rock Springs Uplift, Sweetwater County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UW 14119: Miscellaneous carapace fragments.
UW 14120: Scapula and acromion.
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BREITHAUPT, 1985
Locality: Wyoming.
Horizon: "Mesaverde" Formation.
Biostratigraphy:
Age: Judithian Age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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BRINKMAN, 1990
Locality: BB 105 (14), BB 71 (5), BB 118 (12), BB 121 (19), BB 100 (12), BB 103 (15), BB 107 (7), BB 98 (15), BB 31 (29), BB 86 (28), BB 51 (1), BB 97 (12), BB 104 (10), BB 78 (31), BB 117 (5), BB 25 (4), BB 106 (38), BB 108 (10), BB 54 (12), BB 102 (79), BB 94 (25), BB 75 (15), BB 120 (15), BB 119 (15), BB 115 (8), Dinosaur Provincial 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:
Number: Not given:
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BYRANT, 1990
Locality: Eastern Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 117371: Carapace.
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CARPENTER, 1979
Locality: UCM Locality 77062, Central Weld County, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 13747, 13748: Costal fragments.
Locality: South of Cornish, Weld County, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 12644: Costal fragment.
Locality: Owl Creek, Weld County, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 38780, 38793: Costal fragments.
UCM 19162: Complete carapace.
UCM 38725: Dentary.
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DAESCHLER & FIORILLO, 1989
Locality: In the vicinity of Fort Yates, North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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DANIS, 1986
Locality: Dinosaur Provincial 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:
TMP81.24.7:
ROM 1433:
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DAVIS, 1983
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Aguja Formation,
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
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FIORILLO, 1989
Locality: Careless Creek Quarry, Wheatland County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
ANSP 17090: Fragmentary carapace.
Locality: Antelope Head Quarry, Wheatland County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: Karen's Quarry, Wheatland County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: S.P.A. Quarry, Golden Valley County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: Hidden Valley Quarry, Golden Valley County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: Top Cat Quarry, Golden Valley County, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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GILMORE, 1919
Locality: San Juan Basin, New Mexico.
Horizon: Fruitland Formation.
Biostratigraphy:
Age: Judithian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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GILMORE, 1946
Locality: Lizard locality in South Dragon Valley, Utah.
Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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HIRAYAMA, 2002
Locality: Katsuyama, Fukui Prefecture, Honshu Island, Japan.
Horizon: Kitadani Formation, Akaiwa subgroup, Tetori Group.
Biostratigraphy:
Age: Berremian or Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Late Early Cretaceous.
Material:
FPDM-M-V127:
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HOLRYD & HUTCHISON, 2002
Locality: V 86075, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
172391, 172413, 177919:
Locality: V 86098, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
177876:
Locality: V 98035, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
177847:
Localities: UCMP V-5616, Altman Blowout, this large blowout, site of the UCMP field-party camps form 1956 to 1960, is just east of the crest of the divide separating Lance Creek and Hancock Creek and 100 yards east of a dirt road. Fossils were found in anthills, talus, and sandstone exposed in the blowout, which is in the NE 1/4, Sec. 9, T37N, R64W, Eastern Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
173369:
Locality: UCMP V-5711, Bushy Tailed Blowout, Quarry area includes the floor of a small blowout approximately 10 yards northwest of the highest point on the ridge forming the northeastern side of the blowouts of loc. V-5003, S 1/2, Sec. 20, T37N, R64W, Lance Creek, Powder River Basin, Niobrara County, Wyoming.Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173438:
Locality: UCMP V65238, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
73042:
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= "Aspideretes" sensu lato HOGANSON, ERICKSON & HOLLAND, 2007
Locality: NDSFC locality EM25, 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:
ND 95-5.1: Carapace costal fragment.
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LANGSTON, 1975
Locality: Scabby Butte, about 17 miles north-northwest of Lethbridge, 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 10659: A corocoid and several shell fragments.
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LANGSTON, STANDHARDT & STEVENS, 1989
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Lower Aguja Formation.
Biostratigraphy:
Age: Judithian age, Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given.:
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Lower Tornillo.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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MILLER, 1963
Locality: Southern Arizona.
Horizon:
Biostratigraphy:
Age: Early Cretaceous.
Material:
Number: Not given:
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RATKEVICH & DUFFEK, 1996
Locality: Adobe Canyon, Santa Rita Mountains, Santa Cruz County, Arizona.
Horizon: Fort Crittenden Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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RIABININ, 1938
Locality: Near Station Sary-Agach, Tashkent-Chimkent District, South Kazakhstan.
Horizon:
Biostratigraphy:
Age: Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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RYAN, 2003
Locality: Milk River Ridge Reservoir BB1998, near Warner, Alberta Provine, Canada.
Horizon: Lowermost Oldman Formation, middle Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
RTMP 88.119.4, 5: Plastron.
RTMP 88.119.130, 63: Shells.
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STADTMAN, CHURE, SCHEETZ & BRITT, 1999
Locality: GRSDT, Grand Staircase-Escalante National Monument, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Nearly complete shell.
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SULLIVAN, 2006
Locality: Ah-shi-sle-pah Wash (west), SMP Locality 228, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-742: Plastron fragments.
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SULLIVAN & WILLAMSON, 1997
Locality: On was, Barrel Springs, 2.5 miles south of Trading Post, San Juan County, New Mexico.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
No. 6, Uppasla: Fragments.
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TOKARYK, 1989
Locality: Near Unity, Saskatchewan Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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TOKARYK & HARINGTON, 1992
Locality: SMNH locality 72K09-0005, approximately 10 km west of Saskatchewan Landing along Lake Diefenbaker, Saskatchewan Province, Canada.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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WESTGATE, BROWN & PITTMAN, 2002
Locality: Outcrops near Qjinaga, Chihuahua State, Mexico.
Horizon: San Carlos Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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WINCHESTER, HARES, RUSSELL LLOYD & PARKS, 1916
Locality: F 11, NE 1/4, sec. 2, T19N, R4E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 10, Center of sec. 20, T17N, R4E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 7, SW 1/4, sec. 26, T17N, R3E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 8, Center of sec. 36, T17N, R3E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 9, NE 1/4,, NW 1/4, sec. 23, T16N, R3E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 38, sec. 8, T15N, R9E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 5, SW. 1/4, NE 1/4, sec. 30, T23N, R2E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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WOLBERG, HALL, BELLIS, CHAVEZ, ANDERSON, MORO & GIL, 1988
Locality: Secs, 14, 15, 23, and 24, T23N, R12W, north of Chaco Canyon and south of Farmington, San Juan Basin, San Juan County, New Mexico.
Horizon:
Biostratigraphy:
Age: Campanian-Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: