Genus: Gypsonictops SIMPSON, 1927
Etymology: Greek, gypson, “chalk, gypsum (Cretaceous)”, Greek, iktis, “ferret” and Greek, ops, “face, appearance”: Cretaceous lepticid-look.
= Euangelistes SIMPSON, 1929
Etymology: Greek, euaggelistes, “bearer of good news”: Good-news bearer.

Species: hypoconus SIMPSON, 1927
Etymology:

Holotype: YPM 13662

Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Upper molar.

Referred material:

Locality: Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

AMNH 21984: Molar.

 


CLEMENS, 1973

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 51386: Fragment of maxilla with UP2-4.

UCMP 47050: Fragment of maxilla with UP3.

UCMP 46397: Fragment of maxilla with UP3.

UCMP 46399: Fragment of maxilla with UP4 and UM1.

UCMP 50296: Fragment of mandible with LP1, part of LP2, and LM3 including the alveoli for the other cheek teeth.

AMNH 58841: Fragment of mandible with LP4 and LM1.

UCMP 47052: Fragment of mandible with LP4 and LM1-2.

UCMP 46398: Fragment of mandible with LP4 and LM1-2.

UCMP 51396: Fragment of mandible with LM1-3.

UCMP 47051: Fragment of mandible with LM2-3.

UCMP 51361: Fragment of mandible with LM1.

Numbers: Not given: plus 171 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:

AMNH 58744: Fragment of mandible with LP3-4 and LM1.

AMNH 58764: Fragment of mandible with LP3-4 and LM3-4.

UCMP 46864: Fragment of mandible with LM2 and alveoli for all mesial (anterior) cheek teeth.

UCMP 54418: Fragmentary mandible with LM1-3.

UCMP 48156: Fragment of mandible with LM1-2.

UCMP 51617: Fragment of mandible with LM1-2.

Numbers: Not given: plus 117 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 51604: Fragment of maxilla with UP3.

UCMP 51606: Fragment of maxilla with UP3.

UCMP 50295: Fragment of mandible with LP4 and LM1-2 and alveoli for all other cheek teeth.

Numbers: Not given: plus 5 other isolated teeth.

 


Localities: UCMP V-5002, V-5004, V-5619, V-5622, V-5624, V-5709, V-5713, mammal localities nos. 5 and 9 and Peterson's quarry 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.7

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: V-5621, Cow Creek, site 1, anthills and talus found on and around outcrops of cross-stratified sandstone on the north side and near the upper end of a gully emptying into a northern tributary of Cow
Creek, Wyoming.

Locality: UCMP 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.

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.

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.

Locality: V-5918: Fish tooth Hill, Anthills and talus found in and around a badland area on the eastern side of a north-trending ridge extending from the crest of the divide between Cow and Dogie Creeks, Eastern 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.

 


FOX, 1977

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:

UA 12090: Fragment of a right maxilla containing P3-M1, 2 alveoli for Pb, the posterior alveolus for Pa.

 


LILLEGRAVEN, 1969

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:

UA 3994: UP4.

UA 3048, 3465: Upper molar fragments.

UA 2466, 3237: LM2.

UA 2876, 2978, 3178: Lower molar fragments.

 


= Gypsonictops cf. G. hypocomus RUSSELL, 1987

Locality: Henry Farm Locality, 1s, 8, sec. 5, tp 39, rge 22, W4thM, north side of the Red Deer River valley, 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:

ROM26353: A deeply worn right M.

 


SIMPSON, 1951

Locality: Peterson Quarry, Wyoming.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

YPM 13662: Right M1 or M2, probably M2.

 


WOOD & ORMSBEE, 1954

Locality: From a blowout on the Altman property, on the Lance Creek-Crazy Woman Creek divide, east of the Lance Creek-Hampshire road, 17.3 miles by road north of Lance Creek, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

AM 10438: LM3.

 


= Telacodon laevis MARSH, 1892
Etymology:

YPM 13561

Locality: Lusk, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Fragment of jaw and right upper premolar.

Paratype: USNM 2875

Locality: Converse County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Upper right molar.

 


= Euangelestes petersoni SIMPSON, 1929
Etymology:

Holotype: CM 11657

Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material: Fragmentary lower left jaw with P3-M2.

Referred material:

WOOD & ORMSBEE 1954

Locality: From a blowout on the Altman property, on the Lance Creek-Crazy Woman Creek divide, east of the Lance Creek-Hampshire road, 17.3 miles by road north of Lance Creek, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

AM 10442: RM1.

AM 10450: LP4.

_____________________________________________________________________________________

Species: illuminatus LILLEGRAVEN, 1969
Etymology:

Holotype: UA 2447

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: Right maxillary fragment with UP3-4 and UM1-3.

Referred material:

Localities: KUA-1, 3, 22, UA-2, 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 3216: UDP3.

UA 2951: Fragmentary maxilla with UP3 and UM1-2.

UA 4045: Fragmentary maxilla with UP4 and UM1-3.

UA 2966: Fragmentary maxilla with UM1-2.

UA 3538, 3927: LDP4.

UA 2859: Fragmentary mandible with LPc and LM1.

UA 3210: Fragmentary mandible with LP3-4 and LM1-3.

UA 3693: Fragmentary mandible with LP3 and LM1.

UA 3373: Fragmentary mandible with LP4 and LM1-3.

UA 2634: Fragmentary mandible with LP4 and LM1-2.

UA 3715: Fragmentary mandible with LM1-2.

UA 4046: Fragmentary mandible with LM2-3.

8 UP3's, 7 UM1's, 5 UM2's, 2 UM3's, 9 LP's, 12 LP4's, 9 LM1's, 12 LM2's, and 6 LM3's.

 


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 117640: UM2?

UCMP 109028: LM1?

UCMP 117638: LM1?

UCMP 117637: LP4.

3 UM, 1 LM.

 

 

Locality: V73098, Rick's Place, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 117640: UM1?

 


Locality: V74116, Blady Butte SW-Blazing Saddle, Garfield County,
Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 117644: LP3.

 

 

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 108057: LP4.

 

 

Locality: V73078, Endgdahl Anthills 4, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 108975: LM2?

 


Locality: V73077, Endgdahl 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 108945: LM2?

UCMP 108946: LM2?

 

 

Locality: Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: 4 other fragmentary teeth.

 


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 22739: LP5.

UALVP 22740: LP5.

UALVP 22741-22743: LM2's.

UALVP 22744: Incomplete lower molar.

UALVP 22731: UM1?

UALVP 22732: UM2.

UALVP 22733: UM2.

UALVP 22734-22738: Incomplete upper molars.

 


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 11784: LP5.

UALVP 22786: LM1?

UALVP 22789: UP3.

UALVP 22787: UM2.

UALVP 22788: UMx.

 

 

HUNTER & PEARSON, 1996

Locality: PTRM-V92067, Little Missouri badlands on public (county) land in the NE 1/4, NW 1/4, SE 1/4, SW 1/4, Section 27, T131N, R105W, Cedar Hills Quadrangle, Bowman County, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Pioneer Trails Regional Museum, Bowman, North Dakota, PTRM-1254: Right dentary with p3-m3.

 


LOFGREN, 1995

Locality: UCMP V85092, K-Mark, Bug Creek anthill, McGuire Creek, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Number: Not given: P4.

 


STORER, 1991

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:

P2004.516: LP1.

P1927.532, P2004.12: LP2.

P1927.468, P1927.565, P2004.61, P2004.514, P2004.518: RP2.

P2004.517: Right maxillary fragment with P2-4.

P1927.751, P2004.519-522: LP3.

P1927.1029, P2004.523, P2004.524: RP3.

P2004.525: LdP4.

P1927.304, P1927.387, P1927.746: LP4.

P1927.742, P2004.62: RP4.

P1927.462, P1927.497, P2004.526, P2004.527: LM1.

P2004.528: RM2.

P1927.221, P1927.241, P1927.290, P1927.446, P1927.453, P1927.484, P1927.494, P1927.517, P1927.697, P2004.529, P2004.530: LM1 or M2.

P1927.331, P1927.377, P1927.480, P1927.512, P1927.534, P1927.537, P1927.621, P1927.661, P2004.531, P2004.532: RM1 or M2.

P1927.326, P1927.730: M3.

P1927.434, P1927.474: Lp1.

P2004.536-540: Rp1.

P1927.330, P2004.71, P2004.541, P2004.542: Lp2.

P1927.269, P1927.602, P1927.649, P1927.677, P1927.1040, P2004.543: Rp2.

P1927.205, P1927.627, P2004.544: LP3.

P1927.369, P1927.724, P2004.545: Rp3.

P1927.732, P2004.546: Rdp4.

P1927.755, P2004.547: Lp4.

P1927.196, P1927.215, P1927.289, P1927.436, P1927.706, P2004.548: Lm1 or m2.

P1927.11, P1927.194, P1927.228, P1927.478, P2004.549, P2004.550: R1 or m2.

P1927.17, P1927.88, P1927.267, P1927.340, P1927.646, P2004.551-553: Lm3.

P1927.322, P1927.753, P2004.554, P2004.555: Rm3.

_____________________________________________________________________________________

Species: lewisi SAHNI, 1972
Etymology:

Holotype: AMNH 77429

Locality: Clambank Hollow, Chouteau County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material: A right LP4.

Referred material:

AMNH 77426: A double rooted tooth.

AMNH 77428: LP3.

AMNH 77432: LM2.

AMNH 77434: LM2.

AMNH 77438: LM3.

AMNH 77442: UP3.

AMNH 77451: UP4.

AMNH 77452: UM1.

AMNH 77457: UM3.

 


FOX, 1979

Locality: Near Irvine, Steveville and Manyberries, Cypress County, Alberta, Canada.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

UA 6997: Fragmentary left dentary, LP5, LM1-3.

ROM 22305: Fragmentary left dentary, LP2-5, LM1, alveoli for two incisors, the caniane and LP1, isolated lower molars Lm1, LM2, LM3, UP4 and five isolated incomplete upper molars.

 

 

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: 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 17047: Right LP4 (LP3 of traditional designation).

 


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 86363: Lingual fragment of UMX.

 


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 118601: Fragment of an upper molar.

 

 

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:

UCMP 122165: P4.

 


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-B5545: Dentary fragment with LM1-2 and alveoli for LC-LM3.

UNM-B5549: LP5.

UNM-B5557: LML talonid.

UNM-B5522: LML trigonid.

UNM-B5558: LM3 talonid.

_____________________________________________________________________________________

Species: clemensi RIGBY & WOLBERG, 1987
Etymology: In honor of Bill Clemmens.

Holotype: UNM-B1719

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: LM3.

Referred material:

UNM-B1736: Abraded UP3.

UNM-B5556: ?UPU.

UNM-B5499: Upper molar fragment.

UNM-B5551-5554: Upper molar fragment.

UNM-B5548: LP5.

UNM-B5555: LML talonid.

 


FLYNN, 1986


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 3163: Left LM3.

 

 

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 15713: Upper molar fragment.