Herrera, Claudia, et al. “New Cingulata (Mammalia, Xenarthra) from the Upper Lumbrera Formation (Bartonian, Middle Eocene), Salta Province, Argentina”. Revista Brasileira De Paleontologia, vol. 24, no. 3, Sept. 2021, pp. 236-44, doi:10.4072/rbp.2021.3.05.