†unranked clade Pachyrukhini Seoane et al. 2023 (notoungulate)

Mammalia - Notoungulata - Hegetotheriidae

Full reference: F. D. Seoane, E. Cerdeño, and L. C. Gaetano. 2023. Reassessment of Tegehotherium burmeisteri Ameghino 1903–1904 (Notoungulata, Hegetotheriidae) and a new phylogenetic analysis of Hegetotheriidae. Journal of Vertebrate Paleontology e2258172:1-17

Parent taxon: Pachyrukhinae according to F. D. Seoane et al. 2023

Sister taxa: Medistylus, Propachyrucos, Prosotherium

Subtaxa: Pachyrukhos Paedotherium Tremacyllus

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Ecology: scansorial herbivore

Distribution:

• Quaternary of Argentina (3 collections)

• Pliocene of Argentina (41)

• Huayquerian of Argentina (35)

• Miocene to Pliocene of Argentina (3)

• Miocene of Argentina (30), Chile (3)

Total: 115 collections including 164 occurrences

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