Hemidiaptomus

Hemidiaptomus is a genus of freshwater copepods in the family Diaptomidae, containing the following species:
 * Hemidiaptomus ignatovi G. O. Sars, 1903
 * Hemidiaptomus monticola Weisig & Ali-Zade, 1938
 * Hemidiaptomus rylovi Charin, 1928
 * Hemidiaptomus tarnogradskii Rylov, 1926