Genus: Prodesmodon ESTES, 1964
Etymology: Greek, pro, "before" and Desmodon.

Species: copei ESTES, 1964
Etymology: In reference to E. C. Cope.

Holotype: UCMP 55783

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: Dorsal vertebra.

Referred material:

UC 49533-49536, 49538-49540: Dentaries.

UC 49539, 55775: Maxillae.

UC 55779, 5570: Premaxillae.

UC 55777-55778: Atlases.

UC 55783: Cervical vertebra.

UC 49509-49511: Dorsal and cervical vertebrae.

UC 55782: Femur.

Other unnumbered specimens of the above.

 

Locality: V-5003, S 1/2, Sec. 20, T37N, R64W, Lance Creek, Powder River Basin, Niobara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: 3 vertebrae.

 

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 new submariner replica for sale 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, Niobrara County (Formerly Converse County), Wyoming.

Horizon: Lance Formation, Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given: 2 vertebrae.

 

Locality: UC V-5618, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Vertebra.

 


Locality: UCMP V-5619, Powder River Basin, Niobrara County, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Number: Not given: 2 Vertebrae.

 

Locality: V-5623, Curiosity Point, anthills and talus found along the southern side of a twin-leaked erosional remnant of cross-stratified sandstone approximately 200 years north of a dirt road,
Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: 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:

Number: Not given: Vertebrae, dentaries, and an Atlas.

 

Locality: UC V-5713, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Vertebra.

 

Locality: UCMP V-5815, Hatcher Number 2, western side of a cross-stratified sandstone erosional remnant near the center of a large blowout on the crest of a ridge, the distance form the nearest point on the road, approximately 150 yards south of the quarry, to the Johnson ranch is 0.4 miles, Niobrara County (Formerly Converse County), Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Dentaries, vertebrae and Atlases.

 


Locality: UCMP V-5817, False Disciple Point, cross-stratified sandstone and sandy shales cropping out on the top of the northern end of a long, northwestward-trending ridge that extends from the crest of the alfa romeo monza replica for sale divide between the Hancock and Lance Creek drainages, 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:

Number: Not given: Vertebrae.

 

ARMSTRONG-ZIEGLER, 1978

Locality: UA-P 75137, SE 1/4, SE 1/4, sec. 34, T24N, R13W, Alamo Mesa West, 7 1/2 quadrangle, 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:


Locality: Site A, 108'29"10'"W long , 36'29"10'" N lat, Hogback South, 712 quadrangle, T26N, R16W, 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:

 

BREITHAUPT, 1985

Locality: Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

EBERTH, 1987

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:

Number: Not given:


BRAYNT, 1990

Locality: Northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 130687: 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 15023: left dentary fragment.

UW 15024: left dentary fragment.

UW 15025: Vertebral centrum fragment.

 

ESTES, BERBERIAN & MESZOELY, 1969

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 3652: Trunk vertebrae.

 

NAYLOR, 1979

Locality: Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

UA 12095: Atlas.

UA 12094: Right vomer.

UA 12091: left dentary.

 

SAHNI, 1972

Locality: Clambank Hollow, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: A number of dentaries and maxillae.

 


STENERSON & O’CONNER, 1994

Locality: Northwestern South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Numbers: Not given:

 

WHITMORE, 1988

Locality: SDSM Locality V851, Zerbst Locality, east of the Cheyenne River, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

SDSM 12381: 1 vertebra.

 

= Cuttysarkus mcnallyi ESTES, 1964
Etymology:

Holotype: UCMP 44942

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 replica omega seamaster Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.

Material: left dentary.

Referred material:

ARMSTRONG-ZIEGLER, 1978

Locality: UA-P 75137, SE 1/4, SE 1/4, sec. 34, T24N, R13W, Alamo Mesa West, 7 1/2 quadrangle, 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: