Family	Genus	Subgenus	Species	Subspecies	Author	Date	Orginal Genus	Parentheses	X	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	Y	Remarks
Anisitsiellidae	Bandakia		concreta		Thor	1913		N		1	1	1	1		1	?	1	1				1	1			1	1		1
Anisitsiellidae	Nilotonia		harrisi		Soar	1917		Y																			1
Arrenuridae	Arrenurus	Arrenurus	abbreviator		Berlese	1888		N		1	1	1	1	1	1	1	1	1		1	1	1			1		1								1
Arrenuridae	Arrenurus	Arrenurus	albator		Müller	1776	Hydrachna	Y		1	1	1	1	1			1	1		1	1	1	1	1	1	1	1		1		1	1			1
Arrenuridae	Arrenurus	Arrenurus	bicuspidator		Berlese	1885		N		1		1	1	1	1	1	1	1		1	1	1	1	1	1	1	1		1		1	1	1	1	1
Arrenuridae	Arrenurus	Arrenurus	bruzelii		Koenike	1885		N	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1					1			1
Arrenuridae	Arrenurus	Arrenurus	claviger		Koenike	1885		N		1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1	1		1			1			1
Arrenuridae	Arrenurus	Arrenurus	compactus		Piersig	1894		N			1		1	1		1	1	1	1			1	1	1	1		1					1			1	Syn.: A. ornatulus:Smit 1997
Arrenuridae	Arrenurus	Arrenurus	crassicaudatus		Kramer	1875		N				1	1	1	1		1	1	1	1		1	1	1	1	1	1		1		1	1
Arrenuridae	Arrenurus	Arrenurus	cuspidator		Müller	1776	Hydrachna	Y		1	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1		1					1	1		1
Arrenuridae	Arrenurus	Arrenurus	cuspidifer		Piersig	1894		N	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1					1	1
Arrenuridae	Arrenurus	Arrenurus	fimbriatus		Koenike	1885		N							1	1	1	1		1	1	1	1	1	1		1								1	7: Smit pers. comm.
Arrenuridae	Arrenurus	Arrenurus	latus		Barrois & Moniez	1887		N		1	1	1		1	1		1	1		1	1	1	1	1	1		1					1				Syn.: A. hofsteniViets / A. sinuator commutatus Viets, 1930: Smit 1996 / under the name Micrarrenurus latus ligulator: 2
Arrenuridae	Arrenurus	Arrenurus	leuckarti		Piersig	1894		N					1				1	1			1	1	1		1	1	1
Arrenuridae	Arrenurus	Arrenurus	maculator		Müller	1776	Hydrachna	Y		1		1	1	1	1		1	1		1	1	1	1	1	1	1	1		1				1		1
Arrenuridae	Arrenurus	Arrenurus	neumani		Piersig	1895		N			1	1	1	1		1	1	1		1	1	1	1	1	1	1	1		1		1	1	1	1	1	Syn.: A. walteri Koenike, 1911: Smit 1996
Arrenuridae	Arrenurus	Arrenurus	nobilis		Neuman	1880		N					1					1					1	1	1	1	1				1	1
Arrenuridae	Arrenurus	Arrenurus	ornatus		George	1900		N		1	1	1					1	#				1	1			1	1
Arrenuridae	Arrenurus	Arrenurus	pyriformis		George	1903		N																			1
Arrenuridae	Arrenurus	Arrenurus	robustus		Koenike	1894		N	1		1	1	1		1	1	1	1			?	1	1	1	1	1	1		1							7: Smit pers. comm.
Arrenuridae	Arrenurus	Arrenurus	tricuspidator		Müller	1776	Hydrachna	Y		1	1	1	1	1	1		1	1		1	1	1	1	1	1	1	1		1		1	1		1	1
Arrenuridae	Arrenurus	Arrenurus	virens		Neuman	1880		N		1		1		1			1	1	1	1	1	1	1	1	1		1					1			1
Arrenuridae	Arrenurus	Megaluracarus	buccinator		Müller	1776	Hydrachna	Y				1	1	1	#	1	1	1	1	1	#	1	1	1	1	1	1		1		1	1
Arrenuridae	Arrenurus	Megaluracarus	curtus		George	1906		N																			1									Spec. inc.: Smit 1996
Arrenuridae	Arrenurus	Megaluracarus	cylindratus		Piersig	1896		N		1	1	1	1	1	1		1	1	1			1	1	1	1	1	1
Arrenuridae	Arrenurus	Megaluracarus	geminus		George	1901		N															1				1									Syn.: A. eugeminus, imitator Koenike, 1908: Smit 1996
Arrenuridae	Arrenurus	Megaluracarus	globator		Müller	1776	Hydrachna	Y		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1		1	1	also sub nom. A. tubulator: Biesiadka in Razkowski 1997
Arrenuridae	Arrenurus	Megaluracarus	mediorotundatus		Thor	1898		N					1				1	1				1	1	1	1	1	1									Syn.: A. curvisetus: Smit & Van der Hammen 1990
Arrenuridae	Arrenurus	Megaluracarus	membranator		Thor	1901		N					1				1	1	1			#	1	1	1		1	1			1	1				19: Smit pers. comm.
Arrenuridae	Arrenurus	Megaluracarus	muelleri		Koenike	1901		N				1	1	1			1	1				1	1	1	1		1						1		?	Rejected record from Turkey (Özkan & Erman 1991): Smit et al. 2000
Arrenuridae	Arrenurus	Megaluracarus	scourfieldi		Soar	1913		N				1															1
Arrenuridae	Arrenurus	Megaluracarus	securiformis		Piersig	1894		N					1				1	1				1	1	1	1	1	1				1	1
Arrenuridae	Arrenurus	Megaluracarus	soari		George	1901		N																			1									Spec. inc.: Smit 1996
Arrenuridae	Arrenurus	Megaluracarus	stjoerdalensis		Thor	1899		N				1	1				1						1	1		1	1		1	1	1	1				Syn.: A. adnatus Koenike, 1902 / insperatus George, 1905: Smit 1996
Arrenuridae	Arrenurus	Megaluracarus	zachariasi		Koenike	1886		N		1	1		1				1	1	1			1	1	1	1	1	1		?	?	1	1				Romania: Cimpean & Gerecke in press
Arrenuridae	Arrenurus	Micruracarus	bifidicodulus		Piersig	1897		N		1			1	#	1	1	1	1		1	1	1	1	1	1		1									Syn: A. brachyurus Viets, 1914: Smit 1996 / 7: Smit pers. comm.
Arrenuridae	Arrenurus	Micruracarus	biscissus		Lebert	1879		N			1	1	1		1			1				1	1	1	1		1
Arrenuridae	Arrenurus	Micruracarus	britannorum		Viets	1930		N																			1
Arrenuridae	Arrenurus	Micruracarus	forpicatus		Neuman	1880		N			1	1	1				1	1				1	1	1	1	1	1		1		1	1		1
Arrenuridae	Arrenurus	Micruracarus	inexploratus		Viets	1930		N		1							1	1				1	1	1		1	1				1
Arrenuridae	Arrenurus	Micruracarus	integrator		Müller	1776	Hydrachna	Y		1			1			1	1	1		1	1	1	1	1	1	1	1								1	7: Smit pers. comm.
Arrenuridae	Arrenurus	Micruracarus	longiusculus		George	1904		N																			1
Arrenuridae	Arrenurus	Micruracarus	novus		George	1884		N	1	1		1										1	1				1								1
Arrenuridae	Arrenurus	Micruracarus	octagonus		Halbert	1906		N		1					1					1	1	1	1		1	1	1						1		1
Arrenuridae	Arrenurus	Micruracarus	perforatus		George	1881		N									#	1				1	1	1	1	1	1
Arrenuridae	Arrenurus	Micruracarus	sculptus		Halbert	1903		N					1										1			1	1
Arrenuridae	Arrenurus	Micruracarus	sinuator		Müller	1776	Hydrachna	Y		1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1	1				1	1		1	1
Arrenuridae	Arrenurus	Truncaturus	fontinalis		Viets	1920		N		1		1	1				1	1		1	1	1	1				1								1
Arrenuridae	Arrenurus	Truncaturus	knauthei		Koenike	1895		N									#	1				1	1	1	1		1									Syn.: A. schreuderi Besseling, 1953: Smit & Van der Hammen 1990
Arrenuridae	Arrenurus	Truncaturus	nodosus		Koenike	1896		N					1				1	1		1		1	1	1	1		1
Arrenuridae	Arrenurus	Truncaturus	stecki		Koenike	1894		N		1		1	1	#	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1		1	1
Arrenuridae	Arrenurus	Truncaturus	truncatellus		Müller	1776	Hydrachna	Y	1	1	1		1		1	1	1	1		1	1	1	1	1	1	1	1				1				1	Syn.: A. truncatellus georgei Piersig, 1900: Smit 1996 / 7: Smit pers. comm.
Athienemanniidae	Chelomideopsis		annemiae		Romijn	1920		N				1	1				1	1			1	1	1				1
Aturidae	Albaxona		lundbladi		Motas & Tanasachi	1947		N					1	1		1	1	1	1								1									Syn.: A. gracilis: Pesic & Gerecke 2004
Aturidae	Aturus		brachypus		Viets	1936		N			1				1		1	1								1	1
Aturidae	Aturus		crinitus		Thor	1902		N		1	1	1	1	1	1	1	1	1	1			1	1				1								1
Aturidae	Aturus		intermedius		Protz	1900		N		1	1	1	1				1	1	1		1	1	1	1		1	1							1	1
Aturidae	Aturus		scaber		Kramer	1875		N		1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1		1		1	1	1
Aturidae	Axonopsis	Axonopsis	complanata		Müller	1776	Hydrachna	Y					1				1	1		1		1	1	1	1		1				1
Aturidae	Axonopsis	Hexaxonopsis	romijni		Viets	1923		N			1				1		1					1	1	1			(?)
Aturidae	Barbaxonella		angulata		Viets	1955		Y								1	1	1	1								1
Aturidae	Brachypoda	Brachypoda	versicolor		Müller	1776		Y				1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1		1		1	1
Aturidae	Kongsbergia		clypeata		Szalay	1945		N			1			1		1			1			1					1
Aturidae	Kongsbergia		largaiollii		Maglio	1909	Hjartdalia	Y		1		1	1				1	1	1			1					1
Aturidae	Kongsbergia		materna		Thor	1899		N		1	#	1	1	1			1	1	1			1	1	1		1	1		1		1	1	1		1
Aturidae	Lethaxona		cavifrons		Szalay	1943		N			1	1	1				1	1	1								1
Aturidae	Ljania		bipapillata		Thor	1898		N		1	1	1	1	1			1	1	1	1		1	1	1		1	1		1		1				1
Eylaidae	Eylais		discreta		Koenike	1897		N					1				1	1		1		1	1	1	1	1	1		1		1	1		1		also sub nom. E. gigas: 25 Tuzovskij 1996
Eylaidae	Eylais		extendens		Müller 1776	1776		Y	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1	1	also sub nom. E. muelleri, soari, rimosa, undulosa: 25 Tuzovskij 1996 / limnophila, muelleri, rimosa, soari, triarcuata,
Eylaidae	Eylais		hamata		Koenike	1897		N	1	1	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1					1	1		1
Eylaidae	Eylais		infundibulifera		Koenike	1897		N		1					1		#	1		1	1	1	1	1	1	1	1		1		1	1	1	1	1
Eylaidae	Eylais		koenikei		Halbert	1903		N														1	1	1	1	1	1		1		1	1		1
Eylaidae	Eylais		relicta		Halbert	1911		N														1	1	1	1	1	1				1	1
Feltriidae	Feltria	Azugofeltria	motasi		Schwoerbel	1961		Y										1									1
Feltriidae	Feltria	Feltria	cornuta		Walter	1927		N					1	1			1		1								1									Poland: Biesiadka in Razkowski 1997
Feltriidae	Feltria	Feltria	denticulata		E. Angelier	1949		N			1																1
Feltriidae	Feltria	Feltria	minuta		Koenike	1892		N		1	1		1			1	1	1	1			1				1	1		1	1	1	1
Feltriidae	Feltria	Feltria	rouxi		Walter	1907		N		1	1	1	(?)	1	1		1	1	1	1	1	1	1			1	1									Syn.: Feltria romijni: Bader 1974 / F. bispinosa: Efford 1962, Davids 1979
Feltriidae	Feltria	Feltria	subterranea		Viets	1937		N					1				1	1	1								1									Poland: Biesiadka in Razkowski 1997
Halacaridae	Limnohalacarus		wackeri		Walter	1914		Y				1	1			1		1		1		1	1				1				1
Halacaridae	Lobohalacarus		dolgarae		Green	1954		N																			1
Halacaridae	Lobohalacarus		weberi		Romijn & Viets	1924		Y			1	1	1		1		1	1		1		1	1			1	1
Halacaridae	Lobohalacarus		weberi	quadriporus	Walter	1947		Y			1	1	1			1	1	1	1	1		1	1				1				1
Halacaridae	Parasoldanellonyx		parviscutatus		Walter	1917		Y					1				1	1					1				1				1	1
Halacaridae	Porohalacarus		alpinus		Thor	1910		Y				1	1				1	1		1		1	1	1	1		1		1		1	1	1
Halacaridae	Soldanellonyx		chappuisi		Walter	1917		N		1	1	1	1		1	1	1	1	1	1		1	1				1				1	1
Halacaridae	Soldanellonyx		monardi		Walter	1919		N		1	1	1	1		1		1	1	1	1		1	1			1	1		1		1	1
Hungarohydracaridae	Hungarohydracarus		subterraneus		Szalay	1943		N	1	1	1	1	1			1	1	1	1								1									Syn.: H. s. italicus Schwoerbel, 1961 / H. s. multiporus Angelier, 1949: Valdecasas 1981
Hydrachnidae	Hydrachna	Diplohydrachna	conjecta		Koenike	1895		N		1						1	#	1		1	1	1	1	1	1	1	1		1		1	1		1	1	also H. c. disecta: y, Oezkan 1982
Hydrachnidae	Hydrachna	Diplohydrachna	distincta		Koenike	1897		N														1	1		1	1	1
Hydrachnidae	Hydrachna	Diplohydrachna	georgei		Soar	1908		N														1					1
Hydrachnidae	Hydrachna	Diplohydrachna	globosa		Geer	1778	Acarus	Y		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1	1	sub nom. H. gallica: Poland (Biesiadka in Razowski)
Hydrachnidae	Hydrachna	Diplohydrachna	uniscutata		Thor	1897		N		1	1		1	!			#	1		1	1	1	1	1	1	1	1		1					1		proposed as subspecies of H. globosa / separate species: Davids 1980
Hydrachnidae	Hydrachna	Hydrachna	cruenta		Müller	1776		N		1		1	1			1	1	1		1	1	1	1	1	1	1	1		1		1	1	1	1
Hydrachnidae	Hydrachna	Hydrachna	skorikowi		Piersig	1900		N		1				1	1	1		1		1	1	1	1	1	1		1		1		1	1	1	1	1	sub nom. H. schneideri: 25, Tuzowskij 1996
Hydrachnidae	Hydrachna	Rhabdohydrachna	bivirgulata		Piersig	1897		N										1		1			1	1	1		1
Hydrachnidae	Hydrachna	Rhabdohydrachna	comosa		Koenike	1896		N															1	1	1		1							1
Hydrachnidae	Hydrachna	Rhabdohydrachna	geographica		Müller	1776		N					1		1		1	1		1		1	1	1	1		1		1		1	1				Greece: Smit pers. comm.
Hydrachnidae	Hydrachna	Rhabdohydrachna	halberti		Soar	1908		N																			1
Hydrachnidae	Hydrachna	Rhabdohydrachna	leegei		Koenike	1895		N					1							1	1	#	1	1	1	1	1				1	1
Hydrachnidae	Hydrachna	Rhabdohydrachna	leegei	maculifera	Piersig	1897		N				1										1	1	1		1	1					1			1	also sub nom. H. fuscata: 25 Tuzovskij 1996
Hydrachnidae	Hydrachna	Rhabdohydrachna	levis		Williamson	1913		N														1					1
Hydrachnidae	Hydrachna	Rhabdohydrachna	processifera		Koenike	1903		N		1		1	1				1	1		1		1	1	1	1		1				1	1			1
Hydrodromidae	Hydrodroma		despiciens		Müller	1776	Hydrachna	Y	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1	1
Hydrodromidae	Hydrodroma		pilosa		Besseling	1940		N	1	1		1		1				1					1		1		1								1	Proposed as subspecies of H. despiciens / elevated to species rank: Gerecke 1991
Hydrodromidae	Hydrodroma		torrenticola		Walter	1908		N	1	1	#	1	1		1		#	1				1	1			1	1				1				1
Hydrovolziidae	Hydrovolzia		placophora		Monti	1905	Polyxo	N		1		1	1			1	1	1	1								1		1							Syn. H. baderi Gil Quilez 1990: Gerecke unpubl.
Hydryphantidae	Euthyas		truncata		Neuman	1875	Bradybates	Y		1		1	1				1	1		1	1	1	1	1	1	1	1				1	1
Hydryphantidae	Hydryphantes	Georgella	helveticus		Haller	1882	Hydrodroma	Y					1							1	1	1	1		1		(?)							1	1	Turkey
Hydryphantidae	Hydryphantes	Hydryphantes	bayeri		Pisarovic, 1896	1896		N										1	1	1		1	1	1	1	1	1								1
Hydryphantidae	Hydryphantes	Hydryphantes	dispar		Schaub	1888	Hydrodroma	Y		1		1	1			1	1	1	1	1	1	1	1	1	1	1	1				1	1	1	1	1
Hydryphantidae	Hydryphantes	Hydryphantes	frici		Thon	1899		N										1					1		1		1					1
Hydryphantidae	Hydryphantes	Hydryphantes	placationis		Thon	1899		N	1	1		1	1	1	1	1	#	1		1	1	1	1	1	1	1	1					1				7: Smit pers. comm.
Hydryphantidae	Hydryphantes	Hydryphantes	ruber		Geer	1778		Y		1		1	1				1	1	1	1	1	1	1	1	1	1	1	1	1		1	1			1
Hydryphantidae	Hydryphantes	Hydryphantes	ruber	prolongatus	Thon	1899		N									1	1		1		1	1	1	1	1	1					1	1
Hydryphantidae	Panisellus		thienemanni		Viets	1920	Panisus	Y					1				1	1	1			#	1				1									Romania: Cimpean & Gerecke in press / er 1994
Hydryphantidae	Panisopsis		vigilans		Piersig	1896	Thyas	Y					1				#	1				1	1			1	1		1		1				1
Hydryphantidae	Panisus		michaeli		Koenike	1896		N		1	1		1	1		1	1	1	1			1	1	1	1	1	1		1		1				1
Hydryphantidae	Panisus		torrenticolus		Piersig	1898		N		1	1	1	1			1	1	1	1			1	1			1	1								1
Hydryphantidae	Parathyas		thoracata		Piersig	1896	Thyas	Y	1								#	1			1	1	1	1	1		1		1		1
Hydryphantidae	Protzia		eximia		Protz	1896	Thyas	Y		1	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1								1
Hydryphantidae	Thyas		barbigera		Viets	1908		N		1	1	1	1			1	1	1	1	1		1	1	1	1	1	1		1		1	1				Holarctic / syn.: incerta Lundblad, 1942: Gerecke unpubl
Hydryphantidae	Thyas		extendens		George	1901		N																			1
Hydryphantidae	Thyas		pachystoma		Koenike	1914		N					1				1	1		1		#	1	1	1	1	1		1	1	1	1				21: Smit pers. comm.
Hydryphantidae	Thyas		rivalis		Koenike	1912		N					1				1	1			1	1	1	1	1		1	1							1	syn. to palustris: Lundblad 1962 / questioned synonymy: Tuzovskij in litt.
Hydryphantidae	Thyasella		mandibularis		Lundblad	1924	Thyas	Y										1	1				1				1
Hydryphantidae	Thyopsis		cancellata		Protz	1896	Thyas	Y	1	1	1	1	1	1			1	1	1	1	1	1	1	1	1	1	1								1
Hydryphantidae	Trichothyas		petrophila		Michael	1895	Thyas	Y	1	1	1	1	1	1		1	1		(?)			1					1								1
Hydryphantidae	Vietsia		scutata		Protz	1923	Thyas	Y															1			1	1									GB: Gledhill pers. comm.
Hydryphantidae	Wandesia		racovitzai		Gledhill	1970		N										1									1
Hygrobatidae	Atractides	Atractides	denticulatus		Walter	1947	Megapus	Y								1	1	1									1
Hygrobatidae	Atractides	Atractides	gibberipalpis		Piersig	1898		N		1	1	1	1	1	1	1	1	1	1	#	1	1	1	1	1	1	1						1
Hygrobatidae	Atractides	Atractides	latipalpis		Motas & Tanasachi	1946	Megapus	Y			1		1				1	1	1	1		1					1
Hygrobatidae	Atractides	Atractides	nodipalpis		Thor	1899		N	1	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1		1	Syn.: A. limnicola Schwoerbel, 1959 / microcavaticus Schwoerbel, 1961 / moravicus Láska, 1952 / semidistans Husiatinschi
Hygrobatidae	Atractides	Atractides	octoporus		Piersig	1898		N			1	1	1				1	1	1								1
Hygrobatidae	Atractides	Atractides	pennatus		Viets	1920	Megapus	Y			1	1	1	1	1		1	1	1			1	1				1									Proposed as subspecies of A. nodipalpis / syn.: A. longitibialis Walter, 1927: Gerecke 2003
Hygrobatidae	Atractides	Atractides	tener		Thor	1899		N		1	1		1	1	1	1	1	1	1	1		1	1	1	1	1	1		1	1	1	1				Syn.: A. pilosus Schwoerbel, 1961: Gerecke 2003
Hygrobatidae	Atractides	Tympanomegapus	magnirostris		Motas & Tanasachi	1948	Megapus	Y				1	(?)			1			1								1									Spec. dubia: Gerecke 2003
Hygrobatidae	Atractides	Tympanomegapus	pavesii		Maglio	1905		N		1		1	1		1			1	1			#	1	1	1		1									Sub nom. A. spinirostris 25 Tuzovskij 1996
Hygrobatidae	Hygrobates	Hygrobates	calliger		Piersig	1896		N	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1		1
Hygrobatidae	Hygrobates	Hygrobates	fluviatilis		Ström	1768	Acarus	Y	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1
Hygrobatidae	Hygrobates	Hygrobates	foreli		Lebert	1874	Campognatha	Y					1	1		1	1	1	1	#		1	1	1	1		1		1	1	1	1
Hygrobatidae	Hygrobates	Hygrobates	longipalpis		Hermann	1804		Y	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1
Hygrobatidae	Hygrobates	Hygrobates	longiporus		Thor	1898		N	1	1	#	1	1	1		1	1	1	1	1		1	1	1	1	1	1		1		1	1				also sub nom. H. squamifer: 25 Tuzovskij 1996
Hygrobatidae	Hygrobates	Hygrobates	nigromaculatus		Lebert	1879		N		1	1	1	1				1	1	1	1		1	1	1	1	1	1		1	1	1	1			1	Syn.: H. nigormaculatus octoporus Daday, 1906: Lundblad 1962 / also sub nom. H. leningradensis: Poland, Biesiadka in Raz
Hygrobatidae	Hygrobates	Hygrobates	trigonicus		Koenike	1895		N		1		1	1			1	1	1	1	1		1	1	1	1		1		1		1	1	1	1
Hygrobatidae	Hygrobates	Rivobates	norvegicus		Thor	1897	Rivobates	Y			1	1	1	1	1		1	1	1		1		1	1	1		1		1	1	1	1	1			21: Smit pers. comm.
Lebertiidae	Lebertia		densa		Koenike	1902		N					1						1				1	1	1		1				1	1
Lebertiidae	Lebertia		dubia		Thor	1899		N			1		1			1	1	1	1				1	1	1	1	1		1	1	1					Sub nom. L. palpalis: Poland, Biesiaka in Razkowski 1997
Lebertiidae	Lebertia		fimbriata		Thor	1899		N	1	1	1	1	1				1	1	1			1	1	1	1	1	1		1	1	1	1				Syn.: elongata Besseling, 1957: Smit 1992 / africana Walter, 1926: Smit 1995 / 21: Smit, pers. comm.
Lebertiidae	Lebertia		glabra		Thor	1897		N		1	1		1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1		1	1	1	1	Syn.: lineata Thor, 1906: Lundblad 1962
Lebertiidae	Lebertia		inaequalis		Koch	1837	Nesaea	Y	1	1	1	1	1		1		1	1	1	1		1	1	1	1	1	1		1		1	1	1			Sub nom. circularis, exuta, harnischi: Poland, Biesiadka in Razowski 1997 / also sub nom. hispanica: Valdecasas 1988
Lebertiidae	Lebertia		insignis		Neuman	1880		N		1	1	1	1	1			1	1	1	1		1	1	1	1	1	1		1		1	1	1			also sub nom. L. violacea: Poland, Biesiadka in Razkowski 1997
Lebertiidae	Lebertia		oudemansi		Koenike	1898		N															1				1		1	1	1	1
Lebertiidae	Lebertia		porosa		Thor	1900		N	1	1	1	1	1	1	#	#	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1			1	sub nom. L. leioderma: y, Oezkan 1982 / leioderma, rivalis: Poland, Biesiadka in Razkowski 1997
Lebertiidae	Lebertia		rufipes		Koenike	1902		N		1	1	1	1				1	1	1				1	1	1	1	1					1
Lebertiidae	Lebertia		salebrosa		Koenike	1908		N			1		1			1	1	1	1			1					1
Lebertiidae	Lebertia		sefvei		Walter	1911		N			1	1	1				1	1	1			1	1		1		1			1	1					21: Smit pers. comm.
Lebertiidae	Lebertia		stigmatifera		Thor	1900		N			1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1		1	1	1
Limnesiidae	Limnesia		connata		Koenike	1895		N				1	1				#	1		1		1	1	1	1		1		1		1	1
Limnesiidae	Limnesia		fulgida		Koch	1836		N		1		1	1	1	1	1	1	1		1	1	1	1	1	1	1	1		1		1	1		1	1
Limnesiidae	Limnesia		koenikei		Piersig	1894		N		1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1			1
Limnesiidae	Limnesia		maculata		Müller	1776		Y	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	#	1	1	1	1
Limnesiidae	Limnesia		undulata		Müller	1776		Y				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	#	1	1		1	1
Limnocharidae	Limnochares		aquatica		Linnaeus	1758	Acarus	Y		1	1	1	1	1	1	1	1	1	1	1	#	1	1	1	1	1	1		1		1	1	1	1
Mideidae	Midea		orbiculata		Müller	1776	Hydrachna	Y					1				1	1	1	1		1	1	1	1	1	1		1		1	1
Mideopsidae	Mideopsis	Mideopsis	crassipes		Soar	1904		N		1		1	1	1	1		1	1				1	1	1	1	1	1				1	1
Mideopsidae	Mideopsis	Mideopsis	orbicularis		Müller	1776	Hydrachna	Y		1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1		1		1	1			1
Mideopsidae	Mideopsis	Xystonotus	willmanni		Viets	1920	Xystonotus	Y		1		1	1				1	1	1	1		1	1	1	1	1	1		1
Momoniidae	Momonia		falcipalpis		Halbert	1906		N			1	1	1						1			1				1	1						1
Momoniidae	Stygomononia		latipes		Szalay	1943		N		1	1	1	1	1	1	1	1	1	1			1					1									Syn: S. latipes transversaria Walter, 1947: Rensburg 1971
Neoacaridae	Neoacarus		hibernicus		Halbert	1944		N				1	1			1	1	1	1							1	1
Oxidae	Frontipoda		carpenteri		Halbert	1911		N				(?)	1				1	#					1			1	1				1	1
Oxidae	Frontipoda		musculus		Müller	1776		Y			1	1	1				1	1		#		1	1	1	1	1	1		1		1	1
Oxidae	Oxus		nodigerus		Koenike	1898		N															1	1	#	1	1	1	1		1	1				19: Smit pers. comm.
Oxidae	Oxus		ovalis		Müller	1776		Y		1		#	1	1	#	#	1	1		1	1	1	1	1	1	1	1		1		1	1
Oxidae	Oxus		setosus		Koenike	1898		Y			1	1	1				1	1				1	1			1	1		1	1	1	1				also sub nom. O. ekmani / Poland, Biesiadka in Razkowski 1997
Oxidae	Oxus		strigatus		Müller	1776		Y	1	1		1	1	1	1		1	1		1	1	1	1	1	1	1	1		1		1	1
Piersigiidae	Piersigia		intermedia		Williamson	1912		N															1	1	1	1	1
Pionidae	Forelia		brevipes		Neuman	1880	Nesaea	Y				1	1	1			1	1	1	1		1	1	1	1	1	1		1		1	1
Pionidae	Forelia		liliacea		Müller	1776	hydrachna	Y			(?)	1	1	1	#	#	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1	1
Pionidae	Forelia		variegator		Koch	1837	Arrenurus	Y	1	1	1	1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1				1	1			1
Pionidae	Huitfeldtia		rectipes		Thor	1898		N															1	1	1		1		1	#	1	1		1
Pionidae	Hydrochoreutes		krameri		Piersig	1896		N	1			1	1	1	1	1	1	1		1	1	1	1	1	1	1	1		1		1	1
Pionidae	Hydrochoreutes		ungulatus		Koch	1836	Spio	Y		1			1	1	#	#	1	1		1	1	1	1	1	1	1	1		1	1	1	1		1
Pionidae	Nautarachna		crassa		Koenike	1908	Delmea	Y			1		1	1			1	1					1	1		1	1									Syn. karamani: Smit et al. 1993
Pionidae	Piona	Dispersipiona	clavicornis		Müller	1776	Hydrachna	Y					1				1	1		1		1	1	1	1	1	1					1		1
Pionidae	Piona	Dispersipiona	conglobata		Koch	1836	Nesaea	Y		1		1	1	1	1	#	1	1	1	1	1	1	1	1	1	1	1		1		1	1		1
Pionidae	Piona	Piona	alata		Thor	1897	Curvipes	Y																			1		1
Pionidae	Piona	Piona	alpicola		Neuman	1880	Nesaea	Y	1	1		1	1	1	#	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1	1	Sub nom P. uncata: y Oezkan 1981 / P.a. controversiosa: Oezkan 1995
Pionidae	Piona	Piona	ambigua		Piersig	1894	Curvipes	Y											1	1			1	1	1		1				1	1	1
Pionidae	Piona	Piona	carnea		Koch	1836	Nesaea	Y		1	1	1	1	1	#	1	1	1	1	1	#	1	1	1	1	1	1		1	1	1	1	1	1	1	Turkey, Syria
Pionidae	Piona	Piona	coccinea		Koch	1836	Nesaea	Y		1		1	1	#	1	1	1	1	1	1	1	1	1	1	1	1	1		1	#	1	1	1	1	1
Pionidae	Piona	Piona	disparilis		Koenike	1895	Curvipes	Y				1	1	1	1		1	1				1	1	1	1		1		1		1	1
Pionidae	Piona	Piona	fallax		Thon	1899	Curvipes	Y										1									1
Pionidae	Piona	Piona	imminuta		Piersig	1897	Curvipes	Y										1		1		1	1	1	1	1	1		1		1	1				Proposed as subspecies of P. coccinea / separate species: Davids & Kouwets, 1987 / syn.: P.c. gracilipalpis Luundblad, 1
Pionidae	Piona	Piona	longipalpis		Krendowski	1878	Curvipes	Y				1	1	1	#		1	1	1	1	1	1	1	1	1	1	1		1		1	1
Pionidae	Piona	Piona	nodata		Müller	1776	Hydrachna	Y	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1	1	also sub nom. P. fuscata: Di Sabatino unpubl. check list
Pionidae	Piona	Piona	nodata	laminata	Thor	1900	Curvipes	Y										1	1				1			1	1		1	1
Pionidae	Piona	Piona	obturbans		Piersig	1896	Curvipes	Y				1	1	1	#	1	1	1	1	1	1	1	1	1	1		1					1			1	7: Smit pers. comm.
Pionidae	Piona	Piona	pusilla		Neuman	1875	Nesaea	Y		1		1	1	1	1	1	1	1		1	1	1	1	1	1	1	1		1	1	1	1	1		1
Pionidae	Piona	Piona	rotundoides		Thor	1897	Curvipes	Y					1				1	1				1	1	1	1	1	1		1	1	1	1				Proposed as subspecies of P. pusilla / sep. species: Davids & Kouwets 1987
Pionidae	Piona	Piona	stjoerdalensis		Thor	1897	Curvipes	Y		1			1			1	1	1	1	1	1	1	1	1	1	1	1		1		1	1				Proposed as subspecies of P. coccinea / separate species: Davids & Kouwets, 1987
Pionidae	Piona	Tetrapiona	discrepans		Koenike	1895	Curvipes	Y				1	1	1			1	1				1	1	1	1	1	1		1		1	1
Pionidae	Piona	Tetrapiona	neumani		Koenike	1883	Nesaea	Y		1		1		1			1	1	1	1		1	1	1	1	1	1		1			1
Pionidae	Piona	Tetrapiona	paucipora		Thor	1897	Curvipes	Y					1				1	1	1		1	1	1	1	1	1	1		1		1	1
Pionidae	Piona	Tetrapiona	variabilis		Koch	1836	Nesaea	Y		1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1	1		Syn.: P. v. dispersa: Böttger & Ullrich 1974 / rejected: Tuzovskij 1996
Pionidae	Pionacercus		leuckarti		Piersig	1894	Acercus	N			1		1				1	1	1	1		1	1		1	1	1		1	1	1	1
Pionidae	Pionacercus		pyriformis		Soar	1901		N																			1
Pionidae	Pionacercus		uncinatus		Koenike	1885	Acercus	Y					1					1				1	1	1	1	1	1		1		1	1
Pionidae	Pionacercus		vatrax		Koch	1837	Tiphys	Y					1				1	1				1	1				1				1
Pionidae	Pionopsis		lutescens		Herrmann	1804	Hydrarachna	Y	1	1		1	1	1			1	1	1	1	1	1	1	1	1	1	1		1		1	1		1	1
Pionidae	Pseudofeltria		scourfeldi		Soar	1904		N					1				1	1	1				1			1	1				1
Pionidae	Tiphys		ensifer		Koenike	1895	Piona	Y					1				#	1	1			1	1	1	1	1	1		(?)	1	1		1
Pionidae	Tiphys		lapponicus		Neuman	1880	Piona	Y					1				1	1					1				1		1		1	1
Pionidae	Tiphys		latipes		Müller	1776	Hydrachna	Y		1		1	1	#	#	1	1	1		1	1	1	1	1	1	1	1		(?)				1		1	Turkey
Pionidae	Tiphys		ornatus		Koch	1836	Acercus	N	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1	1		1
Pionidae	Tiphys		torris		Müller	1776	Hydrachna	Y		1		1	1			1	1	1		#		1	1	1	1	1	1		1		1	1			1
Sperchontidae	Sperchon	Hispidosperchon	clupeifer		Piersig	1896		N	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1		1	1
Sperchontidae	Sperchon	Hispidosperchon	denticulatus		Koenike	1895		N	1	1	1	1	1	1	1	1	1	1	1			1	1			1	1	1					1
Sperchontidae	Sperchon	Hispidosperchon	setiger		Thor	1898		N	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1		1			Syn.: meridianus Angelier, 1954: Gerecke 1991
Sperchontidae	Sperchon	Mixosperchon	papillosus		Thor	1901		N		1	1	1	1		1	1			1		1	1	1	1	1	1	1		1	1	1	1			1	Syn.: compactilis discrepans Viets, 1919: Lundblad 1962 / 21: Smit, pers. comm.
Sperchontidae	Sperchon	Sperchon	brevirostris		Koenike	1895		N		1	1	1	1		1	1	1	1	1			1	1			1	1		1	1	1	1
Sperchontidae	Sperchon	Sperchon	glandulosus		Koenike	1886		N		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1
Sperchontidae	Sperchon	Sperchon	hibernicus		Halbert	1944		N		1	1	1	1				1	1								1	1
Sperchontidae	Sperchon	Sperchon	longirostris		Koenike	1895		N			1		1				1	1	1			1	1			1	1
Sperchontidae	Sperchon	Sperchon	longissimus		Viets	1920		N					1	1			1	1					1				1								1
Sperchontidae	Sperchon	Sperchon	squamosus		Kramer	1879		N			1	1	1		?	1	1	1	1		1	1	1	1	1	1	1	1	1	1	1	1			1
Sperchontidae	Sperchon	Sperchon	thienemanni		Koenike	1907		N		1		1	1			1	1	1	1	1			1		1		1	1			1				1	Syn.: rugosus Koenike, 1911: Bader 1974
Sperchontidae	Sperchonopsis		verrucosa		Protz	1896		Y	1	1	1	1	1	1	1	1	1	1	1	1	#	1	1	1	1	1	1		1		1	1	1		1
Teutoniidae	Teutonia		cometes		Koch	1837		N	1	1	1	1	1	1			1	1	1	#		1	1	1	1	1	1		1		1	1
Torrenticolidae	Monatractides	Monatractides	madritensis		Viets	1930	Atractides	Y		1	1	1	1	1	1		1	1	1			1					1									Syn.: M. parvipalpis, robustus Di Sabatino & Gerecke unpubl. / consors: K.O.Viets 1958c / carpatica Lundblad 1956a
Torrenticolidae	Torrenticola	Megapalpis	thori		Halbert	1944	Atractides	Y		1	1	1					1	1	1			1				1	1									Syn.: T. andrei: Gerecke 2002
Torrenticolidae	Torrenticola	Torrenticola	amplexa		Koenike	1908	Atractides	Y	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1				1	1			1	also sub nom. T.wolgaensis: 25 Tuzovskij 1996
Torrenticolidae	Torrenticola	Torrenticola	anomala		Koch	1837	Atractides	Y	1	1	1	1	1	1	1		1	1	1			1	1	1	1	1	1								1	Syn.: longirostris Szalay, 1933 / piriformis Láska, 1953: Cicolani & Di Sabatino 1990
Torrenticolidae	Torrenticola	Torrenticola	brevirostris		Halbert	1911		N		1	1	1	1	1	1	1	1	1	1	1		1	1			1	1					1				Syn.: histriensis Bader, 1955 / maglioi Koenike, 1908 / sandalensis Sokolow, 1926: Cicolani & Di Sabatino 1990
Torrenticolidae	Torrenticola	Torrenticola	elliptica		Maglio	1909		N		1	1	1	1	1	1	1	1	1	1		1	1				1	1								1
Unionicolidae	Neumania	Neumania	callosa		Koenike	1895	Atax	Y					1				1	1	1			1	1	1	1		1		1		1	1
Unionicolidae	Neumania	Neumania	deltoides		Piersig	1894	Atax	Y		1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1				1	1		1	1	sub nom. triangularis: Di Sabatino unpubl. checklist
Unionicolidae	Neumania	Neumania	limosa		Koch	1836	Atax	Y		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	#				1	1
Unionicolidae	Neumania	Neumania	spinipes		Müller	1776	Hydrachna	Y				1	1	1			1	1	1	1	1	1	1	1	1	1	1		1		1	1
Unionicolidae	Neumania	Neumania	vernalis		Müller	1776	Hydrachna	Y				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1		1	1		1
Unionicolidae	Neumania	Soarella	papillosa		Soar	1902	Ecpolus	Y		1		1	1	(?)			1	1			(?)	(?)	1	1	1		1
Unionicolidae	Unionicola	Parasitatax	ypsilophora		Bonz	1783	Acarus	Y		1		1	1				1	1		1	1	1	1	1	1	1	1				1	1
Unionicolidae	Unionicola	Pentatax	aculeata		Koenike	1909	Atax	Y				1	1	1	1		1	1		1		1	1	1	1		1				1	#
Unionicolidae	Unionicola	Pentatax	bonzi		Claparède	1909	Atax	Y				1	1				#	1		1		1	1	1	1		1							1	1
Unionicolidae	Unionicola	Pentatax	figuralis		Koch	1836	Atax	Y					1				1	1		1		1	1	1	1	1	1				1	1
Unionicolidae	Unionicola	Pentatax	intermedia		Koenike	1909	Atax	Y				1	1				#	1				1	1	1	1		1				1	1
Unionicolidae	Unionicola	Unionicola	crassipes		Müller	1776	Hydrachna	Y	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1
Unionicolidae	Unionicola	Unionicola	gracilipalpis		Viets	1908	Atax	Y					1		1		1	1		1	1	1	1	1	1	1	1				1	1		1
Unionicolidae	Unionicola	Unionicola	minor		Soar	1900	Atax	Y		1		1	1	1		1	1	1		1		1	1		1	1	1								1	Proposed as subspecies of U. crassipes
Wettinidae	Wettina		podagrica		Koch	1837	Tiphys	Y		1		1	1		1		1	1				1	1		1	1	1