Da Fonseca, Claudio Ruy Vasconcelos, Márcio Luís Leitão Barbosa, and Maria Fernanda Souza Fernandez. 2011. “A Hypothetical Evolutionary History of Passalid Beetles Narrated by the Comparative Anatomy of the Hindgut (Coleoptera: Passalidae)”. Zootaxa 3012 (1). Auckland, New Zealand:1–20. https://doi.org/10.11646/zootaxa.3012.1.1.