Preliminary analysis of paleoburrows in Porto União-SC and União da Vitória-PR, Brazil. Research, Society and Development, [S. l.], v. 10, n. 11, p. e330101119176, 2021. DOI: 10.33448/rsd-v10i11.19176. Disponível em: https://rsdjournal.org/rsd/article/view/19176. Acesso em: 5 dec. 2025.