“TAXONOMIC IMPLICATIONS OF A LARGE SAMPLE OF TREMACYLLUS (HEGETOTHERIIDAE: PACHYRUKHINAE) FROM THE LATE MIOCENE CERRO AZUL FORMATION OF LA PAMPA, ARGENTINA” (2018) Ameghiniana, 55(4), pp. 407–422. doi:10.5710/AMGH.18.07.2017.3146.