Genus: Spalacotheridium CIFELLI, 1990
Etymology: Greek, spalak- (spalax), “mole” and Greek, theridion, “little beast”: Little mole beast.

Species: mckennai CIFELLI, 1990
Etymology: In honor of Professor Malcolm Carnegie Mckenna (1930-2008).

Holotype: MNA V5792

Locality: MNA locality 995, Garfield County, Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material: Left lower molar from the middle part of the tooth series, perhaps LM4.

Referred material:

CIFELLI & GORDON, 1999

Locality: OMNH locality V843, Garfield County, Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

OMNH 29524: Mesial part of right m1.

MNA V6046: Left m3 or 4 lacking the tip of the paraconid.

OMNH 29526: Corroded ?left m6.

MNA V67656: Right M5.

 

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 66376: Left m5.

 

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Species: noblei CIFELLI & MADSEN, 1999
Etymology: For the Samuel Roberts Noble Foundation of Ardmore, Oklahoma, in recognition of its support for the Oklahoma Museum of Natural History.

Holotype: OMNH 25828

Localities: OMNH V235, V239, V240, V695, V696, V801, V868, Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material: Left m4.

Hypodigm:

OMNH 25609, 33038, 33205, 33221: m1.

OMNH 30623, 33219: m2.

OMNH 27261, 29605, 30630, 32948, 33041, 33229, 33900: m3.

OMNH 25794, 26421, 27424, 27441, 27593, 29766, 30626, 30629, 32946, 33215, 33902: m4.

OMNH 27258, 27629, 29607, 29653, 33052, 33053, 33224, 33899: m5.

OMNH29602: m6.

OMNH 26429: M1.

OMNH 33061: M2.

OMNH 30618, 33895: M3.

OMNH 26689, 26692, 30617, 33232: M4.

OMNH 27595, 33912: M5.

OMNH 27461: M6.

Additional referred specimens: OMNH 26687, 33236: Incomplete upper molars, locus uncertain.