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