[Scorpio/f=Acarus/g] (incl. Phalangium, Chelifer, Galeodes, Phrynus) = Cryptodecapoda Fitzinger 1843
Scorpio/f=Acarus/g~
(incl. Phalangium, Chelifer) = 
Latigastra
Petrunkevitch 1946
[Phalangium/f=Acarus/g]
(incl. Pycnogonum, Galeodes, Chelifer) =
Tracheariae Latreille
1817
[Phalangium/f=Acarus/g]
( incl. Pycnogonum) =
Holetra Hermann
1804
Phalangium/f=Acarus/g~
(incl. Galeodes, Clelifer) = Trachearia
Westwood 1838
= Tracheata Grant 1861
=
Lipobranchia
Lankester 1881
Phalangium/f=Acarus/g~
(incl. Galeodes, Clelifer, Eukoenenia) =
Apulmonata Firstmann 1973
Phalangium/f=Acarus/g~
(sine Eukoenenia; incl. Galeodes, Clelifer) =
Holotracheata Borner
1902
Phalangium/f=Acarus/g~
(sine Clelifer; incl. Galeodes)
=
Tracheales Burmeister
1830
Phalangium/f=Acarus/g~
(sine Galeodes; incl. Clelifer)
=
Holosomata Pocock 1893
Phalangium/f=Acarus/g~
(sine Chelifer; incl. Siro) =
Jugata Petrunkevitch 1946
=
Opilionomophae Savory 1977
Phalangium/f=Acarus/g~
(sine Siro)
=
Inferiores Sundevall
1833
[Acarus/fg] (incl. Pycnogonum, Siro, Chelifer) = Octopoda Latreille 1796
[Acarus/fg]
(sine Ixodes; incl. Galeodes, Chelifer,
Eukoenenia, Hubbardia) =
Actinochaeta
Zachvatkin 1952
Acarus/fg~
(sine Ixodes; incl. Galeodes, Chelifer,
Eukoenenia) =
Coxisternata
van der Hammen
1989
Acarus/fg~
(sine Ixodes; incl. Eukoenenia) =
Epimerata van der Hammen 1977
[Acarus/fg] (sine Eriophyes, Demodex; incl. Ixodes) = Euacari Pocock 1929
Acarus/fg1
(incl. Ixodes) =
Monomerosomata Leach 1815
= Holetria Rafinesque 1815
= Phthiridia Rafinesque
1815
= Sympagisoma Billberg 1820
= Hologastres Duges
1834 = Sphaeracara Haeckel
1889 = Rhynchostomi Lankester
1910
Acarus/fg~
(sine Ixodes) =
Actinotrichida Oudemans 1931
= Actinochitinosi Grandjean 1935
Acarus/fg~ = Astigmata Canestrini 1891 =?Astigmaria Haeckel 1896 =?Sarcoptiformes Reuter 1909 =?Atracheata Kramer 1877
Acarus/fg~ (incl. Sarcoptes) = Epimerata Ewing 1913
