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

See also Rovereto 1914

Sister taxa: Arazamys, Artigasia, Isostylomys

Subtaxa: Tetrastylus angustidens Tetrastylus araucanus Tetrastylus atrophiatus Tetrastylus intermedius Tetrastylus laevigatus Tetrastylus montanus

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Ecology: ground dwelling frugivore-folivore

Distribution:

• Quaternary of Brazil (1 collection)

• Pliocene of Argentina (1)

• Montehermosan of Argentina (1)

• Miocene of Argentina (14), Brazil (3), Uruguay (1), Venezuela (2)

Total: 23 collections including 34 occurrences

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Specimen images are retrieved through the ePANDDA API.


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