Phylogeny and paleobiogeography of Hegetotheriidae (Mammalia, Notoungulata) Seoane, Federico D. ; Roig Juñent, Sergio ; Cerdeño, Esperanza Abstract Publication: Journal of Vertebrate Paleontology Pub Date: January 2017 DOI: 10.1080/02724634.2017.1278547 Bibcode: 2017JVPal..37E8547S