Fikáček, Martin, and Andrew E. Z. Short. 2010. “A Revision of the Neotropical Genus Sacosternum Hansen (Hydrophilidae: Sphaeridiinae: Megasternini)”. Zootaxa 2538 (1). Auckland, New Zealand:1–37. https://doi.org/10.11646/zootaxa.2538.1.1.