A new record of Haplotaxis gordioides (Hartmann, 1821) (Oligochaeta, annelida) in the benthocenoses of a potamon-type river (Sava river, Serbian sector)
The species Haplotaxis gordioides (Hartmann, 1821), from the family Haplotaxidae (Oligochaeta), was found for the first time in a lowland, potamon-type river (Sava River, Serbian sector) in 2002. This new record adds to our knowledge of the range and spreading of the given species. .
