Schuster, J.C. et al. 2005. OGYGES AND VETURIUS (COLEOPTERA: PASSALIDAE) IN CENTRAL AMERICA: SYNONYMIES, RANGE EXTENSIONS AND NEW SPECIES. ACTA ZOOLÓGICA MEXICANA (N.S.). 21, 2 (may 2005), 115–132. DOI:https://doi.org/10.21829/azm.2005.2121990.