Checklist of Gyrinidae,Haliplidae, Noteridae and Dytiscidae of Turkey (Coleoptera: Adephaga)

An updated species list of four beetle families is given for Turkey. A total of 35 genera and 167 species and subspecies are known to occur in Turkey. Ten species and two subspecies are from the family Gyrinidae, 16 species are from the family Haliplidae, three species are from the family Noteridae and 129 species and seven subspecies are from the family Dytiscidae.