Mammalia - Rodentia - Heteromyidae

Small species, near size of Cupidinimus halli Wood, 1936a, Cupidinimus boronensis (Whistler, 1984), Cupidinimus tertius (Hall, 1930), Cupidinimus cuyamensis Wood, 1937, and Cupidinimus smaragdinus Korth, 1996a; p4 low crowned (ht/W 0.44), similar to that of Cupidinimus saskatchewanensis Storer, 1970, Cupidinimus whitlocki Barnosky, 1986a, Cupidinimus klinefelderi (Storer, 1970), and Cupidinimus smaragdinus Korth, 1996a; lower molars lower crowned than all other species (ht/W 0.24); accessory cusps occur on p4 on only one of four specimens but more frequently than in C. boronensis, Cupidinimus lindsayi Barnosky, 1986a, Cupidinimus avawatzensis Barnosky, 1986a, and C. whitlocki, less than in all other species; p4 equal in length and width.

Full reference: W. W. Korth and D. G. Kron. 2020. Rodents (Mammalia) from the Troublesome Formation, Late Oligocene to Miocene (Middle Arikareean-Early Clarendonian) of Colorado. Annals of Carnegie Museum 86(4):295-360

Belongs to Cupidinimus according to W. W. Korth and D. G. Kron 2020

Sister taxa: Cupidinimus avawatzensis, Cupidinimus bidahochiensis, Cupidinimus boronensis, Cupidinimus cuyamensis, Cupidinimus halli, Cupidinimus lindsayi, Cupidinimus magnus, Cupidinimus nebraskensis, Cupidinimus prattensis, Cupidinimus smaragdinus, Cupidinimus tertius, Cupidinimus whitlocki, Perognathoides quartus, Perognathoides kleinfelderi, Perognathoides eurekensis

Type specimen: UCM 54434, a mandible

Ecology: ground dwelling granivore-browser

Distribution: there are no occurrences of Cupidinimus robinsoni in the database

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Specimen images are retrieved through the ePANDDA API.