Tremacyllus Ameghino 1891 (notoungulate)

Mammalia - Notoungulata - Hegetotheriidae

Parent taxon: Pachyrukhinae according to F. D. Seoane et al. 2017

See also Carroll 1988 and Cerdeno and Bond 1998

Sister taxa: Medistylus, Pachyrukhos, Paedotherium, Propachyrucos, Prosotherium

Subtaxa: Tremacyllus impressus

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Type: Pachyrucos impressus

Ecology: scansorial herbivore


• Quaternary of Argentina (2 collections)

• Pliocene of Argentina (11)

• Montehermosan of Argentina (2)

• Miocene of Argentina (7)

Total: 22 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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