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Lojková, S.; Degma, P.; Kodada, J. Morphometry and Redescription of Parahelichus granulosus (Delève, 1974)  with Description of P. pseudogranulosus, a New Cryptic Species of Long-Toed Water Beetles (Coleoptera: Dryopidae) from Indochinese Peninsula, and Proposal of a New Synonym for Praehelichus sericatus (Waterhouse, 1881) from China. Zootaxa 2014, 3852, 475–488.