Genus: Turgidodon CIFELLI, 1990
Etymology: Latin, turgidus, “swollen” and Greek, odon, “tooth”: Swollen tooth.

Species: praesagus (RUSSELL, 1952)
Etymology:
= Delphodon praesagus RUSSELL, 1952
= Alphadon praesagus (RUSSELL, 1952)

Holotype: NMC 114

Locality: 4 miles below the mouth of Berry Creek, southeast of Steveville, Alberta Province, Canada.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material: A right mandible with m3 and roots of m4.

Refereed material:

Locality: Kaiparowits Plateau, Southern Utah.

Horizon: Lower Kaiparowits Formation, Late Cretaceous.

Biostratigraphy:

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

Material:

Number: Not given:

 


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 14802: Left maxillary fragment having UM1-2.

UA 1786: Right maxillary fragment having UM2-3.

UA 670: Left dentary fragment having LCP3, LM1-3.

UA 14801: Left maxillary fragment having UP2-3.

UA 4222: Left dentary fragment having LM3-4.

 


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:

 


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 130507: Left M3.

UCMP 131345: Right M2.

 

 

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:

UCMP 131311: Right m2-3.

UCMP 131346: Right m2-3.

 

 

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 77344: UM1.

AMNH 77343: UM2.

AMNH 77342: A maxilla fragment containing UM3 and UM4.

AMNH 77355: LP3?

AMNH 77398: Left LDP3.

AMNH 77358, 77357, 77363, 77364: LM2.

AMNH 77359, 77365: LM1.

AMNH 77366, 77356: LM3.

AMNH 77361: LM4.

_____________________________________________________________________________________

Species: rhaister (CLEMENS, 1966)
Etymology:
= Alphadon rhaister CLEMENS, 1966

Holotype: UCMP 50292

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: Fragmentary left maxilla with UM1-3.

Referred material:

Number: Not given: Tooth.

 

 

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 52385: RLM1.

UCMP 52346: LLM4.

 

 

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:

AMNH 58757: Fragment of right mandible with 1 molar, probably LM2.

 

 

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

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: 12 isolated teeth.

 

 

Locality: Quarry 9 of LULL 1915, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

YPM 14911: Upper molar.

YPM 14912: Upper molar.

 

 

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 117697: Worn LMx.

 

 

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

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 110624: Trigonid.

UCMP 110633: Trigonid.

UCMP 110623: UM4.

 


HUNTER, 1995, HUNTER, HARTMAN & KRAUSE, 1997

Locality: Muddy Tork Locality, Makoshika State Park, Williston Basin, Dawson County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 801: LM3.

 


LILLEGRAVEN, 1969

Localities: KUA-1, 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 2969, 3789: UP2.

UA 2555, 3258: UP3.

UA 3684: Fragmentary maxilla with UM1.

UA 3265: UM1?

UA 3709: LM4.

UA 3302: Fragmentary lower molar.

 

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 77372: Upper molar.

AMNH 77371: Lower molar.

_____________________________________________________________________________________

Species: russelli (FOX, 1979)
Etymology:
= Alphadon russelli FOX, 1979

Holotype: UA 14805

Locality: Near Irvine, Cypress 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: Right maxillary fragment having UP3, UM1-4.

Referred material:

UA 6995: Left UDP3.

UA 6957: Left maxillary fragment having UM2-3 and incomplete UM4.

UA 6984: LRM1.

UA 14807: LRM4.

PMA, 65/24/4: Dentary fragment having LRM2-3.

 


Sp cf. Alphadon russelli 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 V5808: LM3? labial half.

MNA V6414: LM2? labial half.

MNA V6416: LM3? incomplete.

MNA V6419: Lmx taloind.

MNA V6450: RM1?


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 V5814: Lmx labial half.


EATON & CIFELLI, 1988

Locality: Kaiparowits Plateau, Southern Utah.

Horizon: Lower Kaiparowits Formation, Late Cretaceous.

Biostratigraphy:

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

Material:

Number: Not given:

 

HUNTER, HEINRICH & WEISHAMPEL, 2010

Locality: Shell Hell, Mor Locality 703, SW 1/4 section 19, Township 31 North, Range 9 W, Glacier County, Montana.

Horizon: St. Mary River Formation.

Biostratigraphy:

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

Material:

MOR 2509: Right maxillary fragment with M2-3.

MOR 2510: Rm1.

MOR 2511: Lm2.

MOR 2512: Lm3.

MOR 2513: Left denatry framgnt with talonid of m4.


LILLEGRAVEN & MCKENNA, 1986

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 109452: Mx.

AMNH 109461: 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 109480: MX.

 


Locality: Case Site 4 (unnumbered AMNH locality; Gerard R. Case field numbers MV498, 506), NE 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 109483: UP2.

 


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 109430, 1094035: MX.

AMNH 109427, 109432, 109441, 109489: UP3.

UW 17073: Right UM1.

 


Locality: False Rocks (UW V-81006 = UCMP V-81101 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 125338, UW 17049: Right UP3.

UW 15516, 17054: UM2.

UW 17049: UM3.

 


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 108688: UP1.

AMNH 80022: LM3.

AMNH 86359: Right UP3.

AMNH 80012, 86308: UM2.

AMNH 108680: Left UM4.

AMNH 80017, 86336: Mx.

 

 


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:

Number: Not given: 5 m2-3, 1 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: 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: M3, m1, 2 m2-3.

 

 


Locality: UCMP V-81233, Coke’s Float, 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: 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:

Number: Not given: M1, 1 M2, 2 M4, 5 m1, 3 m2-3, 2 m4.

_____________________________________________________________________________________

Species: parapraesagus (RIGBY & WOLBERG, 1987)
Etymology:
= Alphadon parapraesagus RIGBY & WOLBERG, 1987

Holotype: UNM-B5338

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: A lower dentary fragment with LM3-4.

Referred material:

UNM-B1741: Upper molar fragment.

_____________________________________________________________________________________

Species: lillegraveni CIFELLI, 1990
Etymology:

Holotype: OMNH 20540

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: Fragment of right maxilla with UM2 and labial half of UM3.

Referred material:

OMNH 20572: UP2.

OMNH 20431: UP2.

OMNH 20431: UP2.

OMNH 20194: UP2.

OMNH 20589: Fragment of right maxilla with UM3.

OMNH 20118: Left UM3 lacking the posterior part of the stylar shelf.

OMNH 20586: RUM2 or 3 lacking the paracone and anterior part of the stylar shelf.

OMNH 20593: Left UM4 lacking protonceone.

OMNH 20437: RLP3.

MNA 4632: Right LP2.

OMNH 20117: Maxillary fragment preserving the right UM2.

 


= Turgidodon sp. cf. T. lillegraveni CIFELLI, 1990

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

Horizon: Basal upper shale member, Agua Formation.

Biostratigraphy:

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

Material:

OMNH 22742: Left M2 lacking anterolabiel corner.

TMM 43057-82: Fragment of left maxilla with M2 or 3 lacking anterolabial corner.

OMNH 25203: Labial half of right M2 or 3.

TMM 43057-83: Lingual half of left M4.

_____________________________________________________________________________________

Species: madseni CIFELLI, 1990
Etymology:

Holotype: OMNH 20538

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: Right maxilla with UM1-4, the first and last teeth of the series being incomplete.

Hypodigm:

OMNH 20466: UM1 lacking posterolabial corner.

OMNH 20591: Fragment of maxilla with UM2 lacking protocone.

OMNH 20590: UM3 lacking anterior part of stylar shelf.

OMNH 20594: UM4.

OMNH 20533: Jaw fragment with LP3.

OMNH 20201: LP3.

OMNH 20600: LM1.

OMNH 20124: LM1.

OMNH 20596: LM1.

OMNH 20530: Jaw fragment with LM3.

_____________________________________________________________________________________

Species: petiminis STORER, 1991
Etymology:

Holotype: P2004.507.

Locality: Gryde Local 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:

Referred material:

P2004.506: Left maxillary fragment with P3-M1.

P2004.508: LM1.

P1927.134, P2004.509: LM1, M2 or M3.

P1927.756, P2004.510: RM1, M2 or M3.

P2004.513: Rp2.

P1927.85, P2004.512: Rp3.

P1927.691: Rm1.

P1927.118: Rm4.

P1927.65, P1927.97, P1927.543, P1927.663, P2004.60: Rm1, m2, or m3.