Genus: Alphadon SIMPSON, 1927
Etymology: Greek, alpha, "A"-shaped first letter in the Greek alphabet, Greek, odon, “tooth”: Alpha tooth.

Species: marshi SIMPSON, 1927
Etymology: In honor of O. C. Marsh.

Holotype: YPM 13659

Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: RUM3.

Referred material:

ARCHIBALD, 1982

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: 4UM1, 5UM2, 3UM3, 3UM4, 5LM2, 5LM3, 3LM4.

 

8 isolated teeth from V772208, V72212, V72213, V73077, V73078, V73083 and V73085.

 

CLEMENS, 1966

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 46885: Fragment of maxilla with UM1-2.

UCMP 51385: Fragment of maxilla with UM1-2.

AMNH 58819: Fragment of maxilla with UM2-3.

UCMP 50299: Fragment of right mandible with LP1-3 and LM2-4.

UCMP 50300: Fragment of left mandible with fragment of LP1, LP2, fragment of LP3, LM1, LM2 and fragments of LM3 and LM4.

Numbers: Not given: Plus 19 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 51427: Fragment of maxilla with UM1-2.

UCMP 51428: Fragment of maxilla with UM3.

UCMP 50297: Fragment of left mandible with heavily eroded LM3 and LM2.

 


Localities: UCMP V-5619, V-5713, and Wyoming.

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

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.

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.

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.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: Isolated teeth.

 

 

CLEMENS, 1973

Locality: San Juan Basin, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

Locality: San Juan Basin, New Mexico.

Horizon: Lower Kirtland Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 


FLYNN, 1986

Locality: UALP 8020, Jon Powell Microsite, 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:

NMMNH P-49828 (= UALP 13633): Right M3.

 

 

Locality: 7599, Burnham South is located about 3 km south of Burnham Trading Post, in exposures bordering Brimhall Wash, 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:

NMMNH P-49779 (= UALP 13634): Left M2.

 


HUNTER & ARCHIBALD, 2002

Locality: PTRM locality V89004, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

PTRM 608: Right m1.

 


LILLEGRAVEN, 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 2389: Fragmentary maxilla with UP2-3 and UM1.

UA 2846: Fragmentary maxilla with UM1-4.

UA 2232: Fragmentary maxilla with UM2-3.

UA 2477, 2912: Fragmentary mandibles with LP3 and LM1.

UA 2742, 3796: Fragmentary mandible with LP3 and LM1-2.

UA 2846: Fragmentary mandible with LP3 and LM1-4.

UA 2373: Fragmentary mandible LP2 and LM2.

UA 2498: Fragmentary mandible with LP3 and LM2-3.

UA 2851: Fragmentary mandible with LM1-3.

UA 2185, 2753: Fragmentary mandibles with LM2-3.

UA 2849, 3066, 3794: Fragmentary mandible with LM3-4, UP1, 5 UP2's, 21 UP3's, 10 UM1's, 5 UM2's, 3 UM3's, 4 UM4's, 8 LP2's, 7 LP3's, 9 LM1's, 9 LM2's, 6 LM3's, and 7 LM4's.

 


= Alphadon wilsoni LILLEGRAVEN, 1969
Etymology:

Holotype: UA 3681

Locality: KUA-1, SW 1/4, SE 1/4, Sec. 18, T34N, R21W, 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: Fragmentary right maxilla with UM2-3.

Referred material:

Localities: KUA-1, 2, 3, 22, Stettler County, Alberta, Canada.

Horizon: Scollard Formation, Late Cretaceous.

Material:

UA 3774: Fragmentary maxilla with UP3 and UM1-4.

UA 3741: Fragmentary maxilla with UM1-2.

UA 2230: Fragmentary mandible with LP1-3 and LM1.

UA 3748: Fragmentary mandible with LP3 and LM1-3.

UA 2186, 2908, 2220, 3747, 3759: Fragmentary mandibles with LM2-3.

UA 2944, 3442, 3952: Fragmentary mandibles with LM3-4.

5 UP3's, 18 UM1's, 26 UM2's, 17 UM3's, 3 UM4's, 3 LP3's, 21 LM1's, 18 LM2's, 20 LM3's, 10 LM4's.

 


ARCHIBALD, 1982

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 117694: Right dentary with LM1-2.

2 UM2, 2 UM2, 3 UM3, 3 LM1, 6 LM2, 5 LM3 and 1 LM4.


Sp cf. A. wilsoni EATON, 1993

Locality: MNA locality 1073, near the junction of Mill Creek and the East Fork of the Sevier River, Podunk Creek, USGS 7.5 minute Quadrangle, Paunsaugunt Plateau, Utah.

Horizon: Upper Kaiparowits Formation.

Biostratigraphy:

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

Material:

MNA V58505: Rm3.

MNA V5818: Rm3.

MNA V5822: Rmx talonid.

MNA V5823: Lmx labial half.

MNA V6418: Rmx incomplete.

MNA V6423: Rmx trigonid.

MNA V6465: Lmx labial half.

Locality: MNA locality 1074, near the junction of Mill Creek and the East Fork of the Sevier River, Podunk Creek, USGS 7.5 minute Quadrangle, Paunsaugunt Plateau, Utah.

Horizon: Upper Kaiparowits Formation.

Biostratigraphy:

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

Material:

MNA V5812: RM3? incomplete.

 


Cf. wilsoni FLYNN, 1986

Locality: Jacobs Bone Bed (7592), San Juan Basin, New Mexico.

Horizon: Naashiobito Member, Kirtland Formation.

Biostratigraphy:

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

Material:

UALP 15712: Right UM1 or UM2 labial fragment.

UALP 15650: Left UM2 or UM3.

UALP 15711: Right UM2.

UALP 15647: Right LM3.

UALP 15649: Left LM2.

UALP 15646: Trigonid.

 


Locality: 7599, Burnham South is located about 3 km south of Burnham Trading Post, in exposures bordering Brimhall Wash, 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:

V 2443: Left ?UM3.

V 2428: Left UM4.

 

 

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 22724: UM1?

UALVP 22723: UM2?

 

 

RIGBY & WOLBERG, 1987

Locality: Quarry 1, Fossil Forest, San Juan Basin, New Mexico.

Horizon: Lower Kirtland Formation.

Biostratigraphy:

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

Material:

UNM-B1743: UM2.

UNM-B1740: Partial UM3.

UNM-B1723: LM2.

UNM-B1732: LM2.

UNM-B1717: LM3.

 

 

cf. wilsoni ROWE, CIFELLI, 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 25217: Left upper molar.

_____________________________________________________________________________________

Species: halleyi SAHNI, 1972
Etymology:

Holotype: AMNH 77367

Locality: Clambank Hollow, Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material: Lower molar.

Referred material:

AMNH 77370: Upper molar.


CIFELLI, 1990

Locality: OMNH localities V6 and V9, Kane County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 20119: Left UM1 lacking protocone.

OMNH 20537: Left UM1 lacking protocone and metacone.

OMNH 20171: Left LM2?

 

= Alphadon sp. cf. A. halleyi CIFELLI, 1994

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 22726: Fragments of left maxilla with M1 and anterolabial part of M2.

OMNH 22731: Broken right M1 or 2.

OMNH 22723: Right M4.

OMNH 25124: Left M1.

OMNH 25196: Right m1.

OMNH 25170: Left m1.

OMNH 22762: Left m1.

OMNH 22760: Left m1.

OMNH 25184: Left m1.

OMNH 25191: Left m2.

OMNH 22757: Left m2.

OMNH 25192: Right m2.

OMNH 25165: Left m2.

OMNH 25173: Right m2.

OMNH 25166: Right m3.

OMNH 25188: Left m3.

OMNH 25186: Left m3 with talonid cusps broken.

OMNH 25172: Left m3.

OMNH 25180: Left m3.

OMNH 25193: Right m4.

OMNH 25167: Left m4.

OMNH 25199: Left m4.

OMNH 22780: Right m4 with trigonid cusps broken.

 

DAVIS, CIFELLI, & COHEN, 2016

Locality: OMNH V1409, Toole County, Montana.

Horizon: Deadhorse Coulee Member, Eagle Formation.

Biostratigraphy:

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

Material:

OMNH 66382: Left m3 missing mesiobuccal corner.

OMNH 66387: Left m2 or m3.

 

= Alphadon sp. cf. A. halleyi 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 7709: m2.


FOX, 1979

Locality: 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:

UA 6987: ULM1.

UA 14809: LLM1.

UA 1736: LRM3.

 


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:

 


LILLEGRAVEN & MCKENNA, 1986

Locality: Jerry Case Five (UW V-81023 = AMNH unnumbered locality, Case Site 5; Gerard R. Case field numbers MV 496, 499, 516-557), NE corner of NW 1/4 of NW 1/4 of sec 27 plus SE corner of SW 1/4 of SW 1/4 of sec 22, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 109428: LM1.

 

Locality: Sunset to Dawn Two (UW V-81077), NE 1/4 of SW 1/4 of SE 1/4 of sec 27, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UW 17081: LM1.

UW 15524: LM4.

 

 

Locality: False Rocks (UW V-81006 = UCMP V-81001 and within general area of UCMP V-5833) below top of southwestern slope of hill 6450 (on Garfield Peak Quadrangle 1959, 7.5 min topographic map) in NE 1/4 of SW 1/4 of SW 1/4 of SE 1/4 of SW 1/4 of sec 4, T33N, R87W, Wind River Basin, Natrona County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UCMP 125347: LM2.

 


Locality: Barwin Quarry (unnamed AMNH locality; no field numbers), 37 m northwest of False Rocks (UW V-81006) locality, Wind River Basin, Natrona County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 86343: LP3.

AMNH 80021: LM2.

 


MONTELLANO, 1988

Locality: Museum of the Rockies locality TM-006 Egg Mountain, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

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

Material:

MOR 318: Left fragmentary dentary with LP2?, LM1-4.

MOR 250: Right fragmentary lower jaw with the alveolus of LP1, complete LP2-3, LM1-2 and LM4, and alveoli of LM3.

FREIMUTH, VARRICCHIO, BRANNICK, WEAVER & WILSON MANTILLA, 2021

MOR 10912: Regurgitalite/gastric pellet with 6 maxillae, 1 dentary, 1 ulna and 4 long bone shafts.

MOR 10913: Regurgitalite/gastric pellet with 16 maxillae, 33 dentaries, 15 indeterminate tooth-bearing fragments, 7 cranial fragments, 2 braincases, 9 long bone shafts, 1 lizard cranium, and 2 indeterminate lizard teeth.

Note: Possibly from Troodon formosus.

 

MONTELLANO, 1992

Locality: UCMP V-77083, Makela’s French 1, Mammal 1, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material: 7 M1, 6M2, 4 M3, 3 M4, 14 m1, 15m2-3, 1 m4.

UCMP 130524: Fragmentary dentary with m2, and m3.

UCMP 131343: Fragmentary dentary with m3 and m4.

 

 

Locality: UCMP V-77092, Turtle Hill, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:
Number: Not given:

 


Locality: UCMP V-78097, French 3 Hill, Havre Badlands, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Number: Not given: 1 m2-3.

 

 

Locality: UCMP V-78098, Garbani 1, Havre Badlands, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Number: Not given: M2, m1, 3 m2-3, and 1 m4.

 

 

Locality: UCMP V-81234, Put’s Plunder, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material: M1, 2 M2, 4 M3, 3 M4, 13 m1, 18 m2-3, 2 m4..

UCMP 131278, 131276: 2 fragmentary dentaries with m4.

UCMP 131267: Fragmentary dentary with m1 and m2.

 

 


Locality: UCMP V-82136, Bones Galore, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Number: Not given: M3.

 

 

Locality: UCMP V-82165, Coke’s Microsite, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragmentary maxillary with M3 and part of M4.

 

 

RIGBY & WOLBERG, 1987

Locality: Quarry 1, Fossil Forest, San Juan Basin, New Mexico.

Horizon: Lower Kirtland Formation.

Biostratigraphy:

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

Material:

UNM-B1742: UM1.

UNM-B5508: Fragmentary UM1.

UNM-B1739: Fragmentary UM?3.

UNM-B1725: LM1.

UNM-B1721: LM?3.

UNM-B1726: LML.

 



= Alphadon cf. A. halleyi SANKEY & GOSE, 2001, SANKEY, 1998, 2005

Locality: LSUMG VL-492, Talley Mountain, Big Bend National Park, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

LSUMG L-6252: LM3.

Locality: LSUMG VL-489, Talley Mountain fossil site, Big Bend National Park, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

LSUMG V-5679: M2 anterior fragment.

 

_____________________________________________________________________________________

Species: sahni LILLEGRAVEN & McKENNA, 1986
Etymology:

Holotype: UCMP 125337

Locality: False Rocks (UW V-81006 = UCMP V-81001 and within general area of UCMP V-5833) below top of southwestern slope of hill 6450 (on Garfield Peak Quadrangle 1959, 7.5 min topographic map) in NE 1/4 of SW 1/4 of SW 1/4 of SE 1/4 of SW 1/4 of sec 4, T33N, R87W, Wind River Basin, Natrona County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material: RUM1.

Referred material:

Locality: Case Site 1 (unnumbered AMNH locality; Gerard R. Case field number MV500), NW 1/4 of sec 35, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 109415: UP3.

 


Locality: Case Site 2 (unnumbered AMNH locality; Gerard R. Case field numbers MV511-515), SE 1/4 of sec. 27, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 109414: LM1.

AMNH 109482, 109484: LM2.

AMNH 109481: LM3.

AMNH 109417: UM2.

 

 

Locality: Case Site 3, (unnumbered AMNH locality; Gerard R. Case field numbers MV511-515), Eastern center of sec. 27, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 109421: LM1.

AMNH 109478: LM3.

 

 

Locality: Jerry Case Five (UW V-81023 = AMNH unnumbered locality, Case Site 5; Gerard R. Case field numbers MV 496, 499, 516-557), NE corner of NW 1/4 of NW 1/4 of sec 27 plus SE corner of SW 1/4 of SW 1/4 os sec 22, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 109426, 109431, 109422: LM2.

AMNH 109439: UM1.

AMNH 109443: UM4.

 

 

Locality: Old Number Four (UW V-81038), center of N 1/4 of NW 1/4 of NW 1/4 of NE 1/4 of sec 21, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UW 15530: LM2.

 

 

Locality: Old Number Five, (UW V-81040), SW 1/4 of SE 1/4 of SE 1/4 of NE 1/4 of sec 21, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UM 15531: LM3.

 


Locality: Sunset to Dawn Two (UW V-81076), NE 1/4 of SW 1/4 of SE 1/4 of sec 27, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UW 17075: LM1.

UW 15522, 15526: UP2.

UW 17082: UP3.

 

 

Locality: False Rocks (UW V-81006 = UCMP V-81101 and within general area of UCMP V-5833), Below top of southwestern slop of hill 6450 (on Garfield Peak Quadrangle, 1959, 7.5 min topographic map) in NE 1/4 of SW 1/4 of SW 1/4 of SE 1/4 of SW 1/4 of sec 4, T33N, R87W, Wind River Basin, Natrona County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

UW 17057, 17059: LM2.

UCMP 125350: LM1.

UW 15520, 17056, 17061: LM3.

UW 17052: UM3.

UW 17050: Left UM4.

 

 

Locality: Barwin Quarry (unnamed AMNH locality; no field numbers), 37 m northwest of False Rocks (UW V-81006) locality, Wind River Basin, Natrona County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material:

AMNH 86310, 86330, 86362, 88488: LM2.

AMNH 86309, 86328, 86331: LM3.

AMNH 86332: LM4.

AMNH 80016, 86329: LMX.

AMNH 86341, 86357: UP3.

AMNH 86337: UM1.

AMNH 86312, 86313, 86321, 86333, 108686: UM2.

AMNH 86311: Left UM4.

 

 

ARCHIBALD, 1987

Locality: Piceance Creek Basin, North West Colorado.

Horizon: Williams Fork Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 


CIFELLI, 1990

Locality: OMNH localities V6, Kane County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

OMNH 20114: Left UM2 or 3.

OMNH 20116: Left UM2 or 3 lacking protoncone.

OMNH 20122: Broken LM1.

OMNH 20602: LM1.

OMNH 20598: LM2?

 

 

Locality: OMNH localities V5, Kane County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 20186: UP2.

OMNH 20185: UP3.

OMNH 20150: LUM2 or 3.

OMNH 20144: LM1.

OMNH 20138: LM2.

OMNH 20139: LM3.

OMNH 20140: LM4.

 

= Alaphadon sp cf. A. sahnii CIFELLI, 1994

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 25217: Broken left M2.

OMNH 25221: Left M2 lacking protocone.

OMNH 22727: Anterolabial part of left M3.

OMNH 22744: Anterolabial part of left M3.

OMNH 25219: Broken left M3.

OMNH 25202: Left M4.

OMNH 25204: Left M4.

OMNH 25183: Left m2.

OMNH 25177, 25198, 25189: Right m3 or 2.

OMNH 22733: Left m3 or 2.

OMNH 25200, 25190: Left m4.

_____________________________________________________________________________________

Species: attaragos LILLEGRAVEN & McKENNA, 1986
Etymology:

Holotype: UW 17079

Locality: Sunset to Dawn Two (UW V-81077), NE 1/4 of SW 1/4 of SE 1/4 of sec 27, T48N, R91W, Bighorn Basin, Washakie County, Wyoming.

Horizon: "Mesaverde" Formation.

Biostratigraphy:

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

Material: LLM1.

Referred material:

CIFELLI, 1990

Locality: OMNH localities V5, Kane County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 20152: RUM lacking metacone and posterior corner of stylar shelf.

OMNH 20147: LUM2.

OMNH 20143: RLM1.

OMNH 20142: RLM2.

OMNH 20146: LLM2.

OMNH 20141: RLM3 lacking most of the enamel.

OMNH 20145: LLM4 or less probably LLM3.

 

sp cf. A. attaragos EATON, 1993

Locality: MNA locality 1073, near the junction of Mill Creek and the East Fork of the Sevier River, Podunk Creek, USGS 7.5 minute Quadrangle, Paunsaugunt Plateau, Utah.

Horizon: Upper Kaiparowits Formation.

Biostratigraphy:

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

Material:

MNA V5819: Lm2?

MNA V6471: RM4 labial half.

MNA V6415: Rm3?

MNA V6462: Mx labial half.

MNA V6464: RM3?

MNA V6477: Lmx labial half.

 

 

Locality: MNA locality 1074, near the junction of Mill Creek and the East Fork of the Sevier River, Podunk Creek, USGS 7.5 minute Quadrangle, Paunsaugunt Plateau, Utah.

Horizon: Upper Kaiparowits Formation.

Biostratigraphy:

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

Material:

MNA V5811: Lm4.


EATON & CIFELLI, 1988

Locality: Kaiparowits Plateau, Southern Utah.

Horizon: Upper Kaiparowits Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 


= Alphadon cf. A. attaragos MONTELLANO, 1992

Locality: UCMP V-77083, Makela’s French 1, Mammal 1, Kennedy Coulee, Sections 10, 19, 29, and 30, Township 37N, Range 9E, and in Sections 23, and 24, Township 37N, range 8E, approximately 40 km north of Rudyard, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

UCMP 131312, 131313, 131314, 131344: m2-3.

_____________________________________________________________________________________

Species: jasoni STORER, 1991
Etymology:

Holotype: P2004.4

Locality: The Gryde Locality, Farm of Mr. Greg Gryde in Legal subdivision 11, Section 19, Township 4, range 18 West of the 3rd Meridian, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material: RM2.

Referred material:

P1927.473, P2004.342, P2004.343: LP1.

P2004.344: RP1.

P1927.41, P2004.67, P2004.346-348: LP2.

P1927.580, P1927.612, P1927.687, P2004.26, P2004.345: RP2.

P2004.349: LP3.

P1927.399, P2004.350: RP3.

P1927.73, P1927.190, P1927.493, P1927.735, P1927.742, P2004.6, P2004.351-353: LM1.

P2004.354-356: RM1.

P1927.249, P1927.318, P1927.337, P1927.450, P2004.57, P2004.63, P2004.83, P2004.357-364: LM2.

P1927.74, P1927.91, P1927.489, P1927.660, P1927.672, P1927.712, P2004.68, P20064.365-367: RM2.

P1927.100, P1927.481, P1927.504, P1927.695, P1927.791, P2004.14, P2004.45, P2004.368-377: LM3.

P1927.61, P1927.107, P1927.460, P1927.504, P1927.695, P1927.791, P2004.20, P2004.24, P2004.104, P2004.378-381: RM3.

P1927.402, P2004.27, P2004.382, P2004.383: LM4.

P1927.123, P1927.651, P2004.384, P2004.385: RM4.

P1927.103, P1927.117, P1927.176, P1927.317, P1927.356, P1927.522, P1927.542, P1927.574, P1927.601, P1927.702, P1927.716, P1927.784, P2004.23, P2004.41, P2004.103, P2004.105, P2004.386-398: LM1, M2, or M3.

P1927.77, P1927.98, P1927.101, P1927.142, P1927.160, P1927.411, P1927.415, P1927.447, P1927.458, P1927.502, P1927.523, P1927.536, P1927.561, P1927.584, P2004.22, P2004.50, P2004.74, P2004.84, P2004.399-404: RM1, M2, or M3.

P1927.559: Left mandibular fragment with ci, p2-3.

P2004.64, P2004.424: Lp1.

P1927.220: Rp1.

P2004.415: Left mandibular fragment with p1-2.

P1927.179, P1927.552, P1927.585, P2004.416, P2004.417: Lp2.

P1927.128, P1927.224, P1927.560, P1927.700, P2004.47, P2004.418.420: Rp2.

P2004.428: Left mandibular fragment with p2-m3.

P204.502: Rdp3.

P1927.530, P2004.421-425: Lp3.

P1927.737, P2004.427: Rp3.

P2004.426: Right mandibular fragment with p3-m1.

P1927.139, P1927.345, P1927.619, P1927.734, P2004.429-432: Lm1.

P1927.298, P1927.503, P1927.676, P1927.762, P2004.433-435: Rm1.

P1927.558: Left mandibular fragment with m1-2.

P1927.276, P1927.564, P1927.674, P1927.731, P2004.436-439: Lm2.

P1927.89, P1927.238, P1927.247, P1927.333, P1927.425, P1927.631, P1927.664, P2004.110, P2004.440-443: Rm2.

P1927.56, P1927.116, P1927.736, P2004.444, P2004.445, P2004.485: Lm3.

P1927.169, P1927.273, P1927.421, P1927.645, P2004.29, P2004.448: Rm3.

P1927.381, P1927.469, P1927.782, P2004.449, P2004.450: Rm4.

P1927.12, P1927.79, P1927.230, P1927.232, P1927.237, P1927.257, P1927.351, P1927.420,P1927.451, P1927.461, P1927.465, P1927.533, P1927.535, P1927.551, P1927.562, P1927.575, P1927.578, P1927.609, P1927.685, P1927.699, P1927.708, P1927.715, P2004.52,
P2004.70, P2004.451-460: Lm1, m2 or m3.

P1927.125, P1927.212, P1927.277, P1927.283, P1927.323, P1927.409, P1927.433, P1927.498, P1927.500, P1927.l720, P1927.728, P2004.46, P2004.51, P2004.58, P2004.82, P2004.92, P2004.461-481, P2004.483, P2004.484, P2051.4: Rm1, m2 or m3.

 

WILSON, DECHENSE & ANDERSON, 2010

Locality: Ingrid’s Jaw, DMNH loc. 3322 (=UWBM loc. C1098) is an irregular, weathered isolated outcrop of ~30 m2 immediately south of Weld County Road 122, Pawnee National Grasslands, Cheyenne basin, Weld County, Colorado.

Horizon: Upper Laramie Formation.

Biostratigraphy:

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

Material:

UWBM 89434: Right m1 or m3.


_____________________________________________________________________________________

Species: perexiguus CIFELLI, 1994
Etymology: Latin, very small, in allusion to the size of specimens referred to the species.

Holotype: OMNH 22721

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: Left M2.

Hypodigm:

OMNH 25220: Broken M1.

OMNH 22728: Broken Left M1.

OMNH 25209: Broken left M3?

OMNH 25211: Right M3.

OMNH 22729: Broken right M3.

OMNH 25212: Right M4.

OMNH 22761: Left m1.

OMNH 22774: Trigonid of left m1.

OMNH 25176: Left m1.

OMNH 25179: Left m2.

OMNH 25201: Right m2.

OMNH 25178: Right m2.

OMNH 25168: Right m2.

OMNH 25169: Left m3.

OMNH 25175: Right m3.

OMNH 25187: Left m3.

OMNH 25181: Left m3.

OMNH 22758: Left m3.

OMNH 25185: Left m4.

OMNH 25163: Left m4.

OMNH 22759: Left m4.

_____________________________________________________________________________________

Species: eatoni CIFELLI & MUIZON, 1998
Etymology: in honor of Jeffery g. Eaton, in recognition of his contributions to knowledge of Cretaceous mammals form the State of Utah.

Holotype: OMNH 27380

Locality: OMNH locality V798, about 150 m N of the USNM “lizard locality” and lies at the same horizon, Utah.

Horizon: North Horn Formation.

Biostratigraphy:

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

Material: Left denary with 2 incisors, canine, p1-2, m1 and unrerupted m4.