†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
Ecology: scansorial herbivore
Distribution: