Franz Hebauer (1998): An updated determination key to the African species of the genus Amphiops ERICHSON, 1843 (Coleoptera, Hydrophilidae) – Acta Coleopterologica – 14_1: 33 - 36.
Franz Hebauer, J. Wang (1998): New species of the genus Oocyclus Sharp, 1882 from lndia, Sri Lanka and Taiwan with a key to all known species (Coleoptera: Hydrophilidae) – Acta Coleopterologica – 14_1: 37 - 46.