Species: kirklandi CIFELLI & EATON, 1987
Etymology: In honor of James Kirkland, who found the locality.
Holotype: UCM 54155
Locality: UCM Loc. 85358, southwestern Utah.
Horizon: Middle Dakota Formation.
Biostratigraphy:
Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.
Material: Fragmentary left mandibular ramus preserving the last 3 molars, presumably m2-4.
Referred material:
EATON, 1993
Locality: MNA locality 1067, Paunsaugunt Plateau, Utah.
Horizon: Dakota Formation.
Biostratigraphy:
Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.
Material:
MNA V5353: LMx.
MNA V5373: RMX (labial part).
MNA V5383: RMx.
MNA V5833: Lmx.
MNA V5834: LMx.
MNA V5836: Rm3?
MNA V5837: Lm3?
MNA V5838: Lmx.
MNA V5839: Lm3?
MNA V5840: Lm3?
MNA V5841: Lmx.
MNA V5850: Talonid Rmx.
MNA V6019: LMx.
MNA V6024: LMx (labial part)
MNA V6058: LM3?
MNA V6090: Rm2?
MNA V6092: Lmx.
MNA V6093: Rm3?
MNA V6388: Lmx.
MNA V6341: Lmx.
Locality: MNA locality 939, Paunsaugunt Plateau, Utah.Horizon: Dakota Formation.
Biostratigraphy:
Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.
Material:
MNA V5632: Lmx.
MNA V5633: Lmx.
MNA V5842: Lm1.
MNA V5843: LMx.
EATON & CIFELLI, 1988
Locality: Kaiparowits Plateau, Southern Utah.
Horizon: Dakota Formation.
Biostratigraphy:
Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.
Material:
Number: Not given:
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Species: mckennai CIFELLI, 2004
Etymology: In honor of Malcom C. McKenna, in recognition of his contributions
to knowledge of mammalian history.
Holotype: OMNH 33072
Locality: OMNH V868, Emery County, Utah.
Horizon: Mussentuchit Member, Uppermost Cedar Mountain Formation.
Biostratigraphy:
Age: Mussentuchitan Age, Uppermost Albian-Lowermost Cenomanian Stage, Upper Gallic Subepoch, Lowest Gulf Epoch, Late Early To Early Middle Cretaceous.
Material: Left m4.
Referred material:
OMNH 33076: m1.
OMNH 33971: m2 or 3.