Omer-Cooper 1965. Coleoptera: Dytiscidae. A review of the Dytiscidae of southern Africa being the results of the Lund University Expedition 1950-51, with which are incorporated all other records known to the author. S. African Animal Life., Hanstrom, Brinck & Ruebeck, S. African Animal Life Vol. XI: 59-214, 64 figs.", 1965: 59-214. Chapter pagination: 59-214