Elmidae: 2. Notes on Macronychini, with descriptions of four new genera from China (Coleoptera). Jach, Manfred A.; Ji, Lanzhu[Eds]. Water beetles of China. Volume 1., Zoologisch-Botanische Gesellschaft and Wiener Coleopterologenverein, Vienna, 1995: 1-410. Chapter pagination: 299-323. 302 [Zoological Record Volume 132]