Genus: Apistodon DAVIS, 2007
Etymology: Greek, apistos, "untrustworthy"; in reference to the type species' supposed superficial resemblance to Pediomys and long-standing incorrect classification; and Greek, odontos, "tooth."

Species: exiguus (FOX, 1971) DAVIS, 2007
= Pediomys exiguus FOX, 1971
Etymology:

Holotype: UA 5536

Locality: UA-MR-4, Verdigris Coulee, approximately 18 miles east of the village of Milk River, Warner County, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: RUM1.

Referred material:

Localities: UA-MR-4, UA-MR-6, Verdigris Coulee, approximately 18 miles east of the village of Milk River, Warner County, Alberta Province, Canada.

Horizon: Upper Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Lower Campanian Stage, Aquilian in age, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UA 5537: RUM2.

UA 5548: LUM2.

UA 5538: RUM1.

 

= "Pediomys" sp. near "P." exiguus EATON, 2006

Locality: UMNH VP Locality 11, Websters Flat Locality, Markagunt Plateau, Kane County, Southern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

UMNH VP 6892: Mx.

 

EATON & CIFELLI, 2013

Locality: UMNH VP 419, Kaiparowits Plateau, Kane County, Southern Utah

Horizon: John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 18017: LM2.

 

Locality: UMNH VP 424, Garfield County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 14136 (BRCA 7212): RM2.

UMNH VP 14232 (BRCA 7240): RM2.

UMNH VP 17270 (BRCA 7877): Labial half RM3.

UMNH VP 17205 (BRCA 7443): LM2.

UMNH VP 14150 (BRCA 7226): RM2.

UMNH VP 17331 (BRCA 7942): RM2.

UMNH VP 17324 (BRCAM 7935): RM2.

UMNH VP 17385: Lingual part LM4.

 

Locality: UMNH VP 781, Kaiparowits Plateau, Kane County, Southern Utah

Horizon: John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 17583: Libial part LM3?

 

= Apistodon sp. ca. A. exiguus EATON, GARDNER, KIRKLAND, BRINKMAN, & NYDAM, 2014

Locality:  UMNH VP Locality 101, Iron County, Utah.

Horizon: Iron Springs Formation.

Biostratigraphy:

Age: Upper Santonian Stage-Early Campanian Stage, Upper Senonian Sub-epoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 8444: RM4.

 

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