Tetrastylus Ameghino 1886 (caviomorph)

Mammalia - Rodentia - Dinomyidae

Synonyms: Loxomylus Cope 1869, Protelicomys Kraglievich 1931, Tetrastylopsis Kraglievich 1931

Parent taxon: Eumegamyinae according to M. C. McKenna and S. K. Bell 1997

Sister taxa: Arazamys, Artigasia, Isostylomys

Subtaxa: Tetrastylus araucanus Tetrastylus gigantissimus Tetrastylus intermedius

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Ecology: ground dwelling frugivore-folivore

Distribution:

• Pliocene of Argentina (2 collections)

• Montehermosan of Argentina (1)

• Miocene of Argentina (10), Brazil (1), Uruguay (1), Venezuela (2)

Total: 17 collections including 27 occurrences

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Specimen images are retrieved through the ePANDDA API.


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