Genus: Altacreodus FOX, 2015
Etymology: Alta, in refercne to a common abbreviation of Alberta, the province in which the holtoype was discovered, and creodus, in reference to the frequently suggested relationship of the type species to at least some 'creodonts'.

Species: magnus (CLEMENS & RUSSELL, 1965) FOX, 2015
Etymology:
= Cimolestes magnus CLEMENS & RUSSELL, 1965

Holotype: UA 622

Locality: Alberta locality No. 1, NE 1/4, SW 1/4, SE 1/4, Sec. 18, T. 34, R. 21, Locality on the Griffiths' farm approximately 2 miles south and 6 miles east of Scollard, Alberta Province, Canada.

Horizon: Lower Scollard Formation, Uppermost Edmonton Group.

Biostratigraphy:

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

Material: Fragment of left dentary containing p4 and m1-3, all teeth somewhat damaged.

Referred material:

UA 623: Isolated left molar.

UA 624: Premolar.

UA 625: Premolar.

AMNH 2228: UP4.

 


Localities: UCMP V-5619, Niobrara County, Wyoming.

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

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

AMNH 59203: Fragment of UP4.

UCMP 48570: Fragment of UP4.

UCMP 46765: Fragment of LP4.

 


HUNTER & ARCHIBALD, 2002

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 695: Right p4.

 


LILLEGRAVEN, 1969

Localities: KUA-1, 18, 23, 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 4085: Fragmentary maxilla with UDP3-4.

UA 3795: Fragmentary maxilla with UC1.

UA 3793: Fragmentary maxilla with UP3-4 and UM1-3.

UA 2712: Fragmentary maxilla with UP3-4 and Um1.

UA 3689: Fragmentary maxilla with UP4 and UM1.

UA 3298: UDP4.

UA 2997, 3199, 3370, 3781: UP4.

UA 661: UM1.

UA 2464, 2905, 3298: UM2.

UA 3374, 3732, 3736: UM3.

UA 2893, 2198, 3193, 4019: Upper molar fragments.

UA 2948, 3676, 3678: LC1.

UA 3754: Fragmentary mandible with LP1 and 3-4 LM1-3.

UA 3653: Fragmentary mandible with alveoli or roots of LP1-4, LM1-3 and talonid of LM2.

UA 3791: Fragmentary mandible with LP3-4 and LM1-3.

UA 3791: Fragmentary mandible with LP4 and LM1-3.

UA 361: Fragmentary mandible LP4 and LM1-3.

UA 3692: Fragmentary mandible with LM1-2.

UA 2396, 2488, 2860, 3152: LP1.

UA 625: LP3.

UA 624, 2446, 3661: LP4.

UA 658, 2201, 2332, 3247, 3274: LM1.

UA 623, 2577, 3777: LM2.

UA 2208, 2857, 3119, 3760: LM3.

UA 2282, 2292, 2486, 2726, 2775, 2811, 2971, 2977, 3109, 3779: Lower molar fragments.

 


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:

P1927.440: LP2.

P1927.51: LP4.

P1927.595: LM1 or M2.

P1927.652, P1927.776, P2004.19, P2004.65: Rm1 or M2.

P1927.603: Lp3.

P1927.174, P1927.307: Lp4.

P1927.75: Rm1 or M2.