These herbivores (plant-eaters) would not have been vulnerable to the Sparassodont carnivores of the day. The native human population in their range is believed to have hunted them and used the shells for shelter in bad weather.[1][2]
↑Fidalgo F. et al. 1986. Investigaciones arqueológicas en el sitio 2 de Arroyo Seco (Pdo. de Tres Arroyos, prov. de Buenos Aires, República Argentina) In: Bryan, Alan (ed) New evidence for the Pleistocene peopling of the Americas. Peopling of the Americas Symposia Series, Center for the Study of Early Man, University of Maine, Orono, Maine. 221-269, in Spanish. ISBN0-912933-03-8
↑Politis, Gustavo G. and Gutierrez, Maria A. 1998. Gliptodontes y Cazadores-Recolectores de la Region Pampeana (Argentina) (Glyptodonts and Hunter-Gatherers in the Pampas Region (Argentina), in Spanish. Latin American Antiquity9(2): 111-134