HALFFTER, Gonzalo; HALFFTER, Violeta. Behavioral evolutions of the non-rolling roller beetles (Coleoptera: Scarabaeidae: Scarabaeinae). ACTA ZOOLÓGICA MEXICANA (N.S.), [S. l.], n. 32, p. 1–53, 1989. DOI: 10.21829/azm.1989.31321937. Disponível em: https://azm.ojs.inecol.mx/index.php/azm/article/view/1937. Acesso em: 16 oct. 2026.