The "soft as cheese" Mastodon bones at the Paraná River were identified as two gigantic skeletons of Mastodon andium, and mastodon teeth were also identified from Santa Fe and the Carcarañá River.
Os ósos de Mastodon "moles como o queixo" do río Paraná foron identificados como dous esqueletos xigantescos de Mastodon andium, e identificáronse tamén dentes de mastodonte procedentes da zona de Santa Fe e do río Carcarañá.