Genus: Albanerpeton ESTES & HOFFSTETTER, 1976
Etymology:

Species: inexpectatum ESTES & HOFFSTETTER, 1976

Referred material:

= Albanerpeton cf. inexpectatum FOLIE, CODREA, DICA, GARCIA, GODEFROIT, SMITH & VAN ITTERBEECK, 2001

Locality: Pui village, along the Barbat River, Hateg Basin, Romania.

Horizon: Sanpetru Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________

Species: nexuosus ESTES, 1981
Etymology:

Holotype: UCMP 49,547

Locality: UCMP V-5620, Lull Quarry, near the head of a tributary of Buck Creek, Powder River Basin, Niobrara County (Formerly Converse County), Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material: Nearly complete left dentary lacking posterior end and having about 24 teeth and 4 empty tooth slots.
Note: The holotype is missing and presumed lost.

Referred material:

GARDNER, 2000

UCMP 49535, 49538 (now lost), 49540: Dentaries.

 

Locality: Bug Creek Anthills (BCA), 80 feet below the Tullock Formation in the west half of Section 9, T22N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

MCZ:

 

Locality: Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian Age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UM:

 

Locality: Alberta, Canada.
Province
Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UA:

 

Locality: Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UA:


BRAYNT, 1990

UCMP 130683

Locality: Northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material: Dentaries.

 

= Albanerpeton aff. nexusoum BLAIN, CANUDO, CUENCA-BESCOS & LOPEZ-MARTINEZ, 2010

Locality: Blasi 2, Aren, south-central Pyrenees, Huesca Province, Spain.

Horizon: Aren Sandstone, Arenisca Formation (Upper Tremp Formation).

Biostratigraphy:

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

Material:

MPZ 2009/179-181: 3 premaxillae.

MPZ 2009-182-183: 2 left maxillae.

MPZ 2009/184-185: Right maxillae.

MPZ 2009/186-199: 14 left dentaries.

MPZ 2009/200-208: 9 right dentaries.

MPZ 2009/207-208 (209-210?): 2 indet dentaries.

MPZ 2009/211-218: 8 indeterimnate partial jaws.

MPZ 2009/221-225: 5 humeri.

MPZ 2009/226-227: 2 trunk vertebrae.


BREITHUPT, 1982

Locality: East flank of Rock Springs Uplift, Sweetwater County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

UW 14582-14588: Right dentary fragments.

UW 15030: Right dentary fragment.

UW 14584: left dentary fragment.

UW 14591: Maxillary fragments.

UW 14592 (listed as 14542 in Breithuapt, 1982): Dentary fragment.

UW 14593: Dentary fragment.

UW 15031: Dentary fragment.

 

= Albanerpeton sp., cf. A. nexuosus GARDNER, 1999

Locality: OMNH V239, Emery County, Utah.

Horizon: Mussentuchit Member, Uppermost Cedar Mountain Formation.

Biostratigraphy:

Age: Mussentuchitan age, Uppermost Albian-Lowermost Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 26222: Fused and incomplete premaxillae.

 

= Albanerpeton sp., cf. A. nexuosus GARDNER, 1999

Locality: OMNH V695, Emery County, Utah.

Horizon: Mussentuchit Member, Uppermost Cedar Mountain Formation.

Biostratigraphy:

Age: Mussentuchitan age, Uppermost Albian-Lowermost Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 27413: Incomplete right dentary.

 

GARDNER, 2000

Locality: UALVP MR-2, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 40007: Dentary.

UALVP MR-4, 39953, 39954: Premaxillae.

UALVP 40000, 4001, 40008: Dentaries.

UALVP 3994: Frontals.


Locality: UALVP MR-6, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 39955-39959: Premaxillae.

UALVP 16209, 39971: Fused premaxillae.

UALVP 16239, 39973-39975: Maxillae.

UALVP 16220, 39998, 39999, 40003-40006, 40009-40011, 40015-40021, 40032: Dentaries.

UALVP 39984, 39987, 39989-39993, 39996: Frontals.

 

Locality: UALVP MR-8, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16253: Premaxillae.

 

Locality: UALVP MR-9, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16254, 39960: Premaxillae.

UALVP 39997: Dentaries.

 

Locality: UALVP MR-12, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16207, 16208: Premaxillae.

UALVP 39961: Fused premaxillae

UALVP 29976, 29977: Maxillae.

UALVP 39983, 39988, 43812: frontals.

 

Locality: UALVP MR-20, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Southern, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 29962-39970: Premaxillae.

UALVP 16206, 39972: Fused premaxillae.

UALVP 16242, 39978-39982: Maxillae.

UALVP 16237, 16238, 40002, 40012-40014, 40022: Dentaries.

UALVP 39985, 39986, 39995: Frontals.

 

Locality: RTMP L0406, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigaphy:

Ages: Judith age, Middle Campanian Stage, Senoniain subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

RTMP 95.177.15: Dentary.

 


Locality: RTMP L1127, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigaphy:

Ages: Judith age, Middle Campanian Stage, Senoniain subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

RTMP 96.78.152: Dentary.

 

Locality: OMNH V6, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 60245: Maxilla.

 


Locality: OMNH V61, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 23964: Dentary.

 

Locality: OMNH V58/TMMM 43057, Texas.

Horizon: Lower Aguja Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 25345, 60238: Premaxillae.

OMNH 60239: Maxilla.

OMNH 25235, 25238, 60240, 60241, 60243, 60244: Dentaries.

 


Locality: KUVP NM-37, New Mexico.

Horizon: Upper Fruitland Formation or Lower Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Campanian-Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

KUVP 129739: Dentary.

 


Locality: Bug Creek Anthills (BCA), 80 feet below the Tullock Formation in the west half of Section 9, T22N, R43E, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 40035: Dentary.

 

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, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

AMNH 15259, 22950, 22951, 22955, 27177: Dentaries.

 

Locality: UW Locality V-79032, east flank of Rock Springs Uplift, Sweetwater County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

UW 14587: Maxilla.

UW 14584, 15019: Dentaries.

Locality: UCM locality 77062, Colorado.

Horizon: Laramie Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

UCM 38713: Premaxilla.

UCM 38714: Dentary.

 

LANGSTON, STANDHARDT, & STEVENS, 1989

Locality: Big Bend, Brewster County, Texas.

Horizon: Lower Tornillo.

Biostratigraphy:

Age: Lancian Age, Maastrichtian, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

_____________________________________________________________________________________

Species: galaktion FOX & NAYLOR, 1981
Etymology:

Holotype: UALVP 16203

Locality: UALVP MR-6, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: left premaxillary.

Referred material:

UALVP 16205-16209: Premaxillaires.

UALVP 16239, 16242: Maxillaires.

UALVP 16220-16223, 162337-162338: Dentaries.

UALVP 16214-16215: Parietals.

UALVP 16216: Frontals.

UALVP 16224-16235: Atlantes.

And numerous uncatalogued premaxillaries.


GARDNER, 2000

Locality: UALVP MR-2, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16218: Dentary.

 

Locality: UALVP MR-4, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16255: Maxilla.

UALVP 39940, 39941: Dentaries.

UALVP 39950: Frontals.


Locality: UALVP MR-6, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16210-16212, 39930, 39934: Premaxillae.

UALVP 16240, 39935, 39936: Maxillae.

UALVP 16219, 16236, 39939, 39942: Dentaries.

UALVP 16216, 39946, 39948, 39949, 39951, 39952: Frontals.

 

Locality: UALVP MR-8, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 39931: Premaxilla.

 


Locality: UALVP MR-9A, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 39932: Premaxilla.

 


Locality: UALVP MR-9B, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16217: Dentary.


Locality: UALVP MR-12, Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16221: Dentary.

UALVP 39945: Frontals.

 

Locality: UALVP MR-20, Verdigris Coulee, approximately 30 km east of the Village of Milk River, Warner County, Southern Alberta Province, Canada.

Horizon: Deadhorse Coulee Member, Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 16204, 16205, 16213, 39933: Premaxillae.

UALVP 16241, 39937, 39938: Maxillae.

UALVP 16222, 39943, 39944: Dentaries.

UALVP 39947: Frontal.

 

Locality: RTMP L1128, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formaiton, Middle Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 96.78.118, 96.78.184: Premaxillae.

 

Locality: RTMP L1131, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formaiton, Middle Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 96.78.122: Premaxilla.


Locality: RTMP L1137, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formaiton, Middle Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 96.78.124: Premaxilla.

 

Locality: OMNH V6, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 60326: Premaxilla.

 


Locality: UW Locality V-79032, east flank of Rock Springs Uplift, Sweetwater County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

UW 14593: Premaxilla.

_____________________________________________________________________________________

Species: arthridion FOX & NAYLOR, 1981
Etymology:

Holotype: FMNH PR805

Locality: Forstburg locality, Greenwood Canyon locality, Turtle Gully, Greenwood Canyon, Montague County, Texas.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material: Incomplete right premaxilla missing the pars palatinum and having two intact teeth, one broken tooth and empth slots for four teeth.

Referred material:

FMNH PR806- PR807: Dentries.

 

GARDNER, 1999

Locality: Forstburg locality, Greenwood Canyon locality, Triconodont Gully, Greenwood Canyon, Montague County, Texas.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

FMNH PR2025: Premaxilla,

FMNH PR2046-PR2050 : Dentaries.

FMNH PR2026-PR2027 : Fused frontals.

 


Locality: Forstburg locality, Greenwood Canyon locality, unrecorded Gully, Greenwood Canyon, Montague County, Texas.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

FMNH PR 1891: Dentary.

 

Locality: Unrecorded Forstburg locality (ies), Greenwood Canyon locality, Turtle Gully, Greenwood Canyon, Montague County, Texas.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

FMNH PR2023-PR2024: Premaxillae.

FMNH PR2031-PR2045, PR2051 : Dentaries.

 

Locality: Butler Farm locality, Wies County, north-central Texas.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

SMU 61041: Humerus.

 

CIFELLI, GARDNER, NYDAM, & BRINKMAN, 1997, GARDNER, 1999

Localitiy: OMNH V706, southwest Akota County, Oklahoma.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

OMNH 32344, 33282, 33287, 34067: Premaxillae.

OMNH 33284, 34072: Maxillae.

OMNH 32337, 32340-32342, 32348, 32350, 32362, 32365, 32368, 33283, 33285-33286, 33336-33337, 33339, 33342, 33344-33345, 33347, 34056, 34058-34066, 34068-334071: Dentaries.

OMNH 32397-32400: Fused frontals.

OMNH 32371-32372: Atlantal centra.

OMNH 33516: Humerus.

 

NAYDAM, CIFELLI, BRINKMAN & GARDNER, 1997

Locality: McLeod Prison Site, located on the grounds of the Howard McLeod Correctional Center, Atoka County, Oklahoma.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given:

_____________________________________________________________________________________

Species: cifellii GARDNER, 1999
Etymology: In honor of Richard L. Cifelli, whose collectin efforts in the Cretaceous of Utah resulted in discoveries of the albanerpetonid fossils reported in this paper.
= Nova. GARDNER, 1994

Holotype: OMNH 25400

Locality: OMNH V4, Garfield County, Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material: Incomplete right premaxilla.

_____________________________________________________________________________________

Species: gracilis GARDNER, 2000
Etymology: Latin, gracilis, "slender"; Specific name refers to the gracile build of he premaxilla.

Holotype: RTMP 95.181.70

Locality: RTMP L0410, Dinosaur Provincal Park, 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: Nearly complete left premaxilla missing palatine process adnlateral end of pars dentalis, and having 3 broken and 3 intact teeth.

Referred material:

RTMP 95.181.72, 95.181.73: Premaxillae.

RTMP 95.181.68: Dentary.

RTMP 86.194.8, 95.181.67: Frontals.

Locality: RTMP L0406, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 95.177.82, 95.177.83: Premaxillae.

RTMP 95.177.80: Maxillae.

 

Locality: RTMP L0411, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 96.1.57: Frontals.


Locality: RTMP L0413, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 95.180.64: Frontals.

 

Locality: RTMP L1127, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 96.78.187-96.78.197: Premaxillae.

RTMP 97.78.103: Dentary.


Locality: RTMP L1128, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 96.78.135: Frontals and incomplete right prefrontal.

 

Locality: RTMP L1137, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 96.78.185: Premaxilla.

 

Locality: RTMP L1141, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Oldman Formation, Middle Judith River Group.

Biostratigraphy:

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

Material:

RTMP 96.78.126: Premaxilla.

 

 

 

Locality: RTMP L0051, Dinosaur Provincal Park, 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 95.145.67:

 

Locality: RTMP L0054, Dinosaur Provincal Park, 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 86.60.110: Frontals.

 

Locality: RTMP L0086, Dinosaur Provincal Park, 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 95.182.22: Premaxilla.

 

Locality: RTMP L1108, Dinosaur Provincal Park, 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 95.157.73: Maxilla.

 

Locality: RTMP L1119, Dinosaur Provincal Park, 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 95.163.50: Premaxilla.

 

Locality: RTMP L1120, Dinosaur Provincal Park, 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 95.171.20: Premaxilla.

 

Locality: OMNH V6, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 60321-60323: Premaxillae.

OMNH 60237, 60325: Maxillae.

 

Locality: OMNH V58/TMMM 43057, Texas.

Horizon: Lower Aguja Formation.

Biostratigraphy:

Age: Judithian age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

OMNH 60242: Premaxilla.

OMNH 25349, 60325: Maxillae.

_____________________________________________________________________________________

Species: ektopistikon CARRANO, ORESKA, MURCH, TRUJILLO & CHAMBERLAIN, 2022
Etymology: Greek, neuter in agreement with herpeton, "migratory, wandering," in reference to its erly appearance in the North American fossil record.

Holotype: USNM 546683

Locality: USNM Locality 42222, eastern Bighorn Basin southwest of Chell, Big Horn County, Wyoming.

Horizon: Middle of the Unit V, Cloverly Formation.

Biostratigraphy:

Age: Earliest Albian, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material: A pair of fused frontals missing the posterior one-third of teh right frontal, part of the poterior roof and teh tip of teh right anterolateral porcess.

Referred material:

181 additional elements, catalogued under 178 USNM numbers; 19 premaxillae (4 left, 6 right), 20 maxillae (6 left, 2 right, 7 frontals, 86 dentaries (30 left, 29 right), 8 indeterminate jaw fragments, 3 atlantes, 13 axes, 4 trunk vertebrae, 20 humeri (9 left, 11 right), and 1 right ilium.