Mammalia - Rodentia - Heteromyidae

Alternative combination: Perognathoides madisonensis

Full reference: J. A. Dorr, Jr. 1956. Anceney Local Mammal Fauna, Latest Miocene, Madison Valley Formation, Montana. Journal of Paleontology 30(1)

Belongs to Cupidinimus according to J. F. Sutton and W. W. Korth 1995

See also Barnosky 1986, Dorr 1956, Lindsay 1972 and Whistler 1984

Sister taxa: Cupidinimus avawatzensis, Cupidinimus bidahochiensis, Cupidinimus boronensis, Cupidinimus halli, Cupidinimus kleinfelderi, Cupidinimus lindsayi, Cupidinimus nebraskensis, Cupidinimus prattensis, Cupidinimus robinsoni, Cupidinimus smaragdinus, Cupidinimus whitlocki

Type specimen: CM 8770, a mandible. Its type locality is Anceney, which is in a Barstovian channel sandstone in the Madison Valley Formation of Montana.

Ecology: ground dwelling granivore-browser

Distribution: found only at Anceney

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Specimen images are retrieved through the ePANDDA API.