Species: nitidus MARSH, 1889
Etymology:

Holotype: YPM 11776

Locality: Mammal locality no. 1, Fund -Punkt V 5003, Lance Creek Region, East Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Lm1.

Referred material:

ARCHIBALD, 1982

Locality: V72208, Lead Slug Hill 1, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116913: UM1.

UCMP 110621: UM1.

 

Locality: V72213, Trumbo's Anthill, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116905: LM2.

 

Locality: V73087, Flat Creek 5, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116899, 116898, 116907, 116906: LP4.

UCMP 116902: LM1.

UCMP 116914, 116915, 116916: UM1.

UCMP 116919, 116917, 116918, 109032: UM2.

 

Locality: V73093, Jordan Coulee, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 16901: LP4.

 

Locality: V75157, Haley locality, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116903: LM1.

 

Locality: V74116, Baldy Butte SW-Top Level, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116904: LM2.

UCMP 116910, 116911, 116912: UP4.

 

Locality: V73085, Flat Creek 3, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 109010: LM2.

 

Locality: V73077, Engdahl Anthills 3, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 108947: UP4.

 

Locality: V75178, Wild Horse Basin, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 116909: UP4.

 

Locality: V72212, Engdahl Anthills 1, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 108957: LM2.

 

BOYD, PERSON & BARNES, 2017

Locality: NDGS L226 (= PTRM V98027), Slope County, southwestern North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

NDGS 1790: Right P4.

NDGS 1791: Partial right P4.

 

= cf. Cimolodon nitudus BRAND, HECKERT, SANCHEZ, FOSTER, HUNT-FOSTER & EBERLE, 2022

Localtiy: J & M Site, Rio Blanco County, Colorado.

Horizon: Mesa Verde Group, Williams Fork Formation.

Biostratigraphy:

Age: Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

MWC 8860: A fragmetn of a left p4.

 

CLEMENS, 1963

Locality: UCMP 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: 8 isolated teeth.

 

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:

UCMP 54264: Fragment of maxilla with UM1 and UM2.

UCMP 46866: Fragment of mandible with LP3-4.

plus 223 isolated teeth.

 

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, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UCMP 51463: Fragment of maxilla with UP1, P2, and P3.

UCMP 50067: Fragment of maxilla with UP4 and UM1.

AMNH 57860: Fragments of mandible with lP3-4 and LM1-2.

UCMP 46876: Fragment of mandible with LP4 and LM1.

UCMP 51446: Fragment of mandible with LP4 and LM1.

UCMP 50068: Fragment of mandible with LP4 and LM1.

UCMP 51456: Fragment of mandible with LM1-2.

plus 196 isolated teeth.

 

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, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

UCMP 50066: Fragment of maxilla with UP3-4.

UCMP 51470: Fragment of mandible with LM1-2.

Plus 12 isolated teeth.

 

Localities: UCMP V-5002, V-5004, V-5619, V-5621, V-5622, V-5623, V-5624, V-5709, V-5713, V-5920, mammal localities, 4, 5, 6, 7, 9 and 11, Beecher's and Peterson's quarries of LULL 1915, Wyoming.

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

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.

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 divide between the Hancock and Lance Creek drainages, Wyoming.

Locality: UCMP V-5818: Anthills built around the rim of the only blowout on the south side of a canyon that empties into a tributary of Hancock Creek, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Isolated teeth.

 

CLEMENS, 1991

Locality: On the Colville river, north of the Brooks Range, Alsakan North Slope.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Molars.

 

DONOHUE, WILSON, & BREITHAUPT, 2013

Locality: UCMP V-84215 (= UW V-79032), Black Butte Station fossil localitys, eastern flank fo the 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:

UCMP 197632: Isolated left m1.

UCMP 197654: Isolated right m2.

UCMP 197662: Isolated left m2.

UCMP 197652, 197658: Isolated left P4s.

UCMP 197623, 197626: ISolated left M1s.

UCMP 197627: Isolated right M1.

UW 20089, 20150: ISoalted left m1s.

UW 15156: Isolated right m1.

UW 15144, 15153: Isolated left m2s.

UW 15146, 15147, 15169: ISolated right m2s.

UW 17375: Isoalted right P4.

UW 15184, 20044: Isolated left P4s.

UW 15155, 20058: Isolated right M1s.

UW 20133: Isolated left M1.

UW 20062: Isolated left M2.

= Cimoloodn cf. C. nitidus

UCMP 197646, 197651: Isolated left p4s.

UCMP 197631: Isolated right m2.

UW 20170: Isoalted right m1.

UW 25165: Isolated left m1.

UW 20039: Isolated right m1.

UW 20084: Isolated right m2.

UW 20087, 20093, 20131: Isolated right M2s.

 

Locality: Dino Ray (UW loc. V-79033), Black Butte Station fossil localitys, eastern flank of the 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 15582: Left dentary fragment with p4.

UW 20037: Isoalted right m2.

UW 15125: ISoalted left M1.

UW 17376: Isoalted left M2.

 

EATON, DIEM, ARCHIBALD, SCHIERUP & MUNK, 1999, EATON, 2006

Locality: UMNH VP Locality 10 (Paul's Locality), Cedar Canyon, Markagunt Plateau, Iron County, southwestern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

UMNH VP 5106: p4.

UMNH VP 5917: Right M1.

UMNH VP 6915: p4.

 

FOX, 1989

Locality: Wounded Knee local fauna, a roadcut along Rte. 37, approximately 34 km south of Shaunavon, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

UALVP 22667: LP4.

UALVP 22668: UP4.

UALVP 22669: UM1.

 

Locality: Fr-1, near Ravenscrag, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

UALVP 15096: Posterodorsal fragment of LP4.

 

Locality: Long Fall, MNBT Quarry, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

UALVP 22761: Posterolabial fragment LP4.

UALVP 22762: LM1.

UALVP 22815: LM1.

 

HUNTER & ARCHIBALD, 2002

Locality: PTRM locality V89004, Miller Ranch Locality, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

PTRM 614: Left P4.

 

Locality: PTRM locality V89003, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

PTRM 602: Left M1.

 

Locality: PTRM locality V86002, Marmarth locality, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

PTRM 3609: Left dentary with p4.

 

LILEGRAVEN, 1969

Localities: KUA-1, 3, 22, Stettler County, Alberta Province, Canada.

Horizon: Scollard Formation, Uppermost Edmonton Group.

Biostratigraphy:

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

Material:

UA 2333: Fragmentary mandible with LI1,LP3-4 and LM1.

UA 3595: LP3.

UA 3115: Fragmentary mandible with LM1-2.

UA 2562, 3187: LP4.

UA 3784: Fragmentary mandible with LM1-2.

UA 2298, 2595, 2666, 2757, 2852, 3141, 3148, 3220, 3297, 3737, 3963: LM1.

UA 2244, 2251, 2252, 3208, 3728, 3966: LM2.

UA 2499, 2980, 3610: UDP2.

UA 2246, 2411, 2492, 2992, 3018, 3738, 3958: UP1.

UA 3700: Fragmentary maxilla with UP2-3.

UA 2974: UP2.

UA 3792: Fragmentary maxilla with UP3-4 and UM1.

UA 2247, 2382, 3299, 3300: UP3.

UA 2245, 2314, 2960, 3029, 3056, 3123, 3301, 3523, 3603, 3658: UP4.

UA 2868: Fragmentary maxilla with UM1-2.

UA 2599, 2600, 3017, 3084, 3086, 3124, 3594, 3749: UM1.

UA 2250, 2299, 2300, 2561, 2638, 3026, 3085: UM2.

 

SAHNI, 1972

Locality: Clambank Hollow, Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

AMNH 77267: LP4.

 

SLOAN & RUSSELL, 1974

Locality: Locality 11, 15 miles north of Lundbreck, Municipal District of Pincher Creek, 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:

SNMC 17667: Right M2.

 

STORER, 1991

Locality: Gryde Local Fauna, Southwestern Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

P1927.64: LP4.

P2004.336: RM1.

P2004.337, P2004.338: Rm1.

 

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, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

SDSM 12360: Left P4.

 

Locality: SDSM Locality V852, Hanson Locality, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

SDSM 12367: Left M2.

SDSM 12366: Right m2.

 

WILSON, 1987

Locality: SDSM V701, Red Owl Quarry, 3 miles north and 1 mile east of Red Owl, Meade County, South Dakota.

Horizon: Fox Hills Formation.

Biostratigraphy:

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

Material:

SDSM 13324: Left P4.

SDSM 13325: Left P4.

SDSM 13326: Left P4.

SDSM 13327: Left P4.

SDSM 13328: Right M1.

SDSM 13329: Right M1.

SDSM 13330: Incomplete left M1.

SDSM 13331: Left M1.

SDSM 13332: Left M1.

SDSM 13333: Left M1.

SDSM 13334: Left M1.

SDSM 13335: Right M2.

SDSM 13336: Left M2.

SDSM 13337: Left M2.

SDSM 13338: Right M2.

SDSM 13339: Left M2.

SDSM 13340: Right M2.

SDSM 13341: Left p4.

SDSM 13342: 2 fragments of p4.

SDSM 13343: Right m1.

SDSM 13344: Left m1.

SDSM 13345: Left m1.

SDSM 13346: Right m1.

SDSM 13347: Left m1.

SDSM 13348: Left m1.

SDSM 13349: Incomplete m1.

SDSM 13350: Left m2.

SDSM 13351: Left m2.

SDSM 13352: Left m2.

SDSM 13353: Left m2.

SDSM 13354: Left m2.

SDSM 13355: Left m2.

SDSM 13356: Left m2.

SDSM 13357: Right m2.

SDSM 13358: Left m2.

SDSM 13359: Right m2?

SDSM 13360: Left m2.

 

= Nanomys minutus MARSH, 1889
Etymology:
= Nanomyops (Nanomys) minutus MARSH, 1892

Holotype: YPM 11855

Locality: Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: M2.

 

= Halodon serratus MARSH, 1889
Etymology:

Holotype: YPM 11811

Locality:

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: P4.

_____________________________________________________________________________________

Species: parvus MARSH, 1889
Etymology:

Holotype: YPM 11777

Locality: Wyoming.

Horizon: Laramie Formation.

Biostratigraphy:

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

Material: Anterior portion of a lower jaw with incisor in place.
_____________________________________________________________________________________

Species: agilis MARSH, 1889
Etymology:

Holotype: USNM 2132

Locality: Wyoming.

Horizon: Laramie Formation.

Biostratigraphy:

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

Material: Left lower jaw with teeth.
_____________________________________________________________________________________

Species: electus FOX, 1971
Etymology:

Holotype: UA 5310

Locality: Loc. UA-MR-4, Verdigris Coulee, approximately 18 miles (29 km) east of the village of Milk River, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Right LP4.

Referred material:

Locality: Loc. UA-MR-2, 4, 5, 6, 8, Verdigris Coulee, approximately 18 miles (29 km) east of the village of Milk River, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UA 5294-5296, 5298-5309, 5622-5625: LP4's.

UA 5311-5320, 5589-5592: LM1's.

UA 5334-5341, 5593-5594: LM2's.

UA 5321-5325, 5362, 5368, 5613-5621: UP4's.

UA 5326-5333, 5588: UM1's.

UA 5343, 5347-5349, 5595-5597: UM2's (upper second molars.)

 

FREEMAN, 1979

Locality: 7599, Burnham South is located about 3 km south of Burnham Trading Post, San Juan Basin, New Mexico.

Horizon: Naashoibito Member, Latest Kirtland Formation.

Biostratigraphy:

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

Material:

V 4607: LUP4.

 

Locality: Jacobs Bone Bed, 7592, San Juan County, New Mexico.

Horizon: Naashoibito Member, Latest Kirtland Formation.

Biostratigraphy:

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

Material:

UALP 15625, 15626: Damaged deciduous premolars.

UALP 15627: Left anterior portion and damaged right LP4.

 

Locality: Lindsay Microsite, 75137, San Juan County, New Mexico.

Horizon: Naashoibito Member, Latest Kirtland Formation.

Biostratigraphy:

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

Material:

UALP 15628: Left anterior portion and damaged right LP4.

 

KOSTER, CURRIE, EBERTH, BRINKMAN, JOHNSTON & BRAMAN, 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:

 

EATON & CIFELLI, 1988

Locality: Kaiparowits Plateau, Utah.

Horizon: Wahweap Formation.

Biostratigraphy:

Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given:

 

Sp near electus EATON & CIFELLI, 1988

Locality: Kaiparowits Plateau, Utah.

Horizon: Dakota Formation.

Biostratigraphy:

Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given:

 

cf. electus ROWE, CIFELLLI, LEHMAN & WEIL, 1992

Locality: Terlingua local fauna, OMNH V58 (TMM 43057), 8 km NNE Study Butte, Brewster County, Big Bend of the Rio Grande, Texas.

Horizon: Basal upper shale member, Agua Formation.

Biostratigraphy:

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

Material:

OMNH 25042: Left 4th lower premolar.

OMNH 2258, 22661, 22692, 25038, 25041, 25005, 25006:

_____________________________________________________________________________________

Species: similis FOX, 1971
Etymology:

Holotype: UA 5630

Locality: Loc. UA-MR-6, Verdigris Coulee, approximately 18 miles (29 km) east of the village of Milk River, Warner County, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Right LP4.

Referred material:

Locality: Loc. UA-MR-2, 4, 5, 6, 8, Verdigris Coulee, approximately 18 miles (29 km) east of the village of Milk River, Warner County, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UA 5350-5359, 5605-5611: LP4's.

UA 5372-5374: LM1's.

UA 5371: LM2.

UA 5361, 5363-5367, 5369, 5604: UP4's.

UA 5370, 5602: UM1's.

UA 5342, 5344-5346, 5598-5601: UM2's.

 

= Cimolodon sp. cf. C. similis EATON, 2006

Locality: UMNH VP Locality 11, Websters Flat Locality, Markagunt Plateau, Kane County, Southern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

UMNH VP 6902: m2.

EATON & CIFELLII 1988

Locality: Kaiparowits Plateau, Utah.

Horizon: Wahweap Formation.

Biostratigraphy:

Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given:

 

Locality: Kaiparowits Plateau, Utah.

Horizon: John Henry Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Lower or Middle Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

Number: Not given:

 

Locality: Kaiparowits Plateau, Utah.

Horizon: Lower Kaiparowits Formation, Late Cretaceous.

Biostratigraphy:

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

Material:

 

EATON, & CIFELLI, 2013

Locality: UMNH VP 419, Kaiparowits Plateau, Kane County, Southern Utah

Horizon: John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 18022: Posteiror part of lm1.

UMNH VP 18999: Lm2 (worn).

 

Locality: UMNH VP 420, Paunsaugunt Plateau, Kane County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 14228: The anterior part of lp4.

UMNH VP 14227 (BRCA 7234): RM2.

 

Locality: UMNH VP 424, Garfield County, Southern Utah.

Horizon:  John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 14254 (BRCA 7262): Partial rp4.

= Cimolodon sp. cf. C. similis

UMNH VP 17325 (BRCA 7936): Anterior part LM1.

 

Locality: UMNH VP 799, Paunsaugunt Plateau, Kane County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 17527: Lm1.

UMNH VP 17516: RM1.UMNH VP 17524: Rm2 (worn).

= Cimolodon sp. cf. C. similis

UMNH VP 17619: LM1.

 

EATON, DIEM, ARCHIBALD, SCHIERUP & MUNK, 1999, EATON, 2006

Locality: UMNH VP Locality 10 (Paul's Locality), Cedar Canyon, Markagunt Plateau, Iron County, southwestern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

UMNN VP 6910: Anterior half of M1.

UMNH VP 5615, 6914, 14045: m1.

UMNH VP 5613, 14028: m2.

UMNH VP 14047: P4.

 

KIRKLAND, BRITT, BURGE, CARPENTER, CIFELLI, DECOURTEN, EATON, HASIOTIS & LAWTON, 1997

Locality: Utah.

Horizon: Dakota Formation.

Biostratigraphy:

Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given:

 

KOSTER, CURRIE, EBERTH, BRINKMAN, JOHNSTON & BRAMAN 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:

 

cf. C. similis EATON, 1995

Locality: MNA Loc. 1067, Bryce Valley, east of Bryce Canyon National Park, southwestern Utah.

Horizon: Dakota Formation.

Biostratigraphy:

Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.

Material:

V5863, V5872, V5881, V5885, V6030: p4.

V5358, V5898: P4.

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Species: foxi EATON, 2002
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Referred material:

EATON, 2006b

Locality: UMNH VP Loc. 99, Grand Staircase-Escalante National Monument, Garfield County, Utah.

Horizon: John Henry Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Early-Middle Santonian Stage, Senonian subepoch, Middle Gulf Epoch, Middle Cretaceous.

Material:

UMNH VP 7715, 7716, 8447, 8450, 11629, 12773, 12775, 12804, 12809: m1.

UMNH VP 17267, 12802: m2.

UMNH VP 7718, 12772, 12774 (posterior), 12990 (posterior): M1.

UMNH VP 11624, 12791, 12793: M2.

 

= Cimolodon sp. cf. C. foxi EATON, & CIFELLI, 2013

Locality: UMNH VP 419, Kaiparowits Plateau, Kane County, Southern Utah

Horizon: John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 18016: Incomplete RM2.

 

Locality: UMNH VP 424, Paunsaugunt Plateau, Kane County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 14142 (BRCA 7218): Lm1 (some damage to labial wall of the tooth).

UMNH VP 17336 (BRCA 7974): Rm1 posterior part.

UMNH VP 17278 (BRCA 7885): RM1 posterior part.

 

Locality: UMNH VP 781, Kaiparowits Plateau, Kane County, Southern Utah

Horizon: John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 17582: Lp4.

 

Locality: Locality 61, Grand Staircase,  Kane County, Utah.

Horizon: Wahweap Formation.

Biostratigraphy:

Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UMNH VP 7549: Rm2.

 

Locality: Locality 83, Grand Staircase,  Kane County, Utah.

Horizon: Wahweap Formation.

Biostratigraphy:

Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UMNH VP 18955: Lm2.

 

= Cimolodon sp. cf. foxi EATON, GARDNER, KIRKLAND, BRINKMAN, & NYDAM, 2014

Locality:  UMNH VP Locality 119, Iron County, Utah.

Horizon: Iron Springs Formation.

Biostratigraphy:

Age: Upper Santonian Stage-Early Campanian Stage, Upper Senonian Sub-epoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 7733: Rm1.

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Species: wardi EATON, 2006a
Etymology: In honor of Dr. David Ward, who helped in both the methods of processing matrix from locality 10 and in general approaches to prospecting for microvertebrate sites.

Holotype: UMNH VP 6912

Locality: UMNH VP Locality 10 (Paul's Locality), Cedar Canyon, Markagunt Plateau, Iron County, southwestern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material: RM1.

Referred material:

UMNH VP 6913, 14027: 2 p4s.

UMNH VP 6911: m1.

UMNH VP 6904: m2.

UMNH VP 6916, 14036: M1s.

UMNH VP 5620, 6939: M2s.

 

 

= Cimolodon sp. cf. C. wardi EATON, GARDNER, KIRKLAND, BRINKMAN, & NYDAM, 2014

Locality:  UMNH VP Locality 12, Iron County, Utah.

Horizon: Iron Springs Formation.

Biostratigraphy:

Age: Upper Santonian Stage-Early Campanian Stage, Upper Senonian Sub-epoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 14475: Rm1, posteiror part.

 

Locality:  UMNH VP Locality 119, Iron County, Utah.

Horizon: Iron Springs Formation.

Biostratigraphy:

Age: Upper Santonian Stage-Early Campanian Stage, Upper Senonian Sub-epoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 19741: LP4.

 

_____________________________________________________________________________________

Species: peregrinus DONOHUE, WILSON & BREITHAUPT, 2013
Etymology: Latin, peregrinus, "traveler or wanderer" in reference to its discovery in an area distant and inland from most Lancian localities along the coast of the Western Interior Seaway.

Holotype: UW 15583

Locality: Dino Ray (UW loc. V-79033), Black Butte Station fossil localitys, eastern flank of the 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: Rigth dentary fragment with p4.

_____________________________________________________________________________________

Species: akersteni WEAVER, WILSON, KRUMENACKER, McLAUGHLIN, MOORE & VARRICCHIO, 2019
Etymology: In honor of William A. Akersten, in honor of his early recognition of the paleonological potential of the Wyan Formation, and for his mentoring of L J. Krumenacker.

Holotype: IMNH 50879

Locality: H34D site (Idaho Museum of Natural History locality 2167), northern Caribou County, Idaho.

Horizon: Wayan Formation.

Biostratigraphy:

Age: Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous- Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material: Right p4.