Mammalia - Rodentia

Parent taxon: Ischyromyiformes according to L. Marivaux et al. 2021

See also Korth and Emry 2013

Sister taxa: none

Subtaxa: Eomyoidea Geomyina

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Ecology: ground dwelling herbivore

Distribution: found only at LACM Loc. 8060, Río Guatemala (Oligocene of Puerto Rico)

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