FAMILY                      Myolaimidae Andrįssy, 1958
                            [=Daubayliidae Chitwood & Chitwood, 1934:8] [as subfamily]
GENUS                              Daubaylia Chitwood & Chitwood, 1934:8 [Cephalobidae?]
SPECIES                                 Daubaylia dewiti Schuurmans Stekhoven, 1956:277 [host planorbis contortus]
SPECIES                                 Daubaylia elegans Honer & Jansen, 1961:115 [host planorbis carinatus]
SPECIES                                 Daubaylia helicophilus Poinar & Richards, 1979:616 [molluscan host]
SPECIES                                 Daubaylia malayanum Sullivan & Palmieri, 1978:799 [molluscan host]
SPECIES                                 Daubaylia olsoni Poinar, 1984:217 [host Dina anoculata (Annelida)]
SPECIES                                 Daubaylia pearsoni Anderson & Bartlett, 1993:671 [host Glyptophysa gibbosa (Mollusca)]
TYPE SPECIES                            Daubaylia potamica Chitwood & Chitwood, 1934:8 [Virginia;  host planorbis trivolvis]
SPECIES                                 Daubaylia roubaudiDaubney, 1926 [ref. Troncy, Gräber & Thal 1973]
SPECIES                                 Daubaylia seistanensis (Baylis & Daubney, 1922):341 [Persia; host Gyraulus convexiusculus; syn. Chitwood & Chitwood 1934 p.9]
                                        [=Cephalobus seistanensis Baylis & Daubney, 1922]
GENUS                              Deleyia Holovachov & Bostrom, 2006:223 [placement?]
SPECIES                                 Deleyia aspiculata Holovachov & Bostrom, 2006:229 [Ukraine]
TYPE SPECIES                            Deleyia poinari Holovachov & Bostrom, 2006:224 [Ukraine]
GENUS                              Myolaimus Cobb, 1920
SPECIES                                 Myolaimus amicitiae Andrįssy, 1959
SPECIES                                 Myolaimus dendrodipnis Paesler, 1956
SPECIES                                 Myolaimus goodeyorum Andrįssy, 1984
TYPE SPECIES                            Myolaimus heterurus Cobb, 1920
                                        [=Myolaimus stiloides Weingärtner in Hirschmann, 1952] [nomen nudum]
SPECIES                                 Myolaimus stammeri Hirschmann, 1952
GENUS                              Poikilolaimus Fuchs, 1930 [ref. Sudhaus & Koch 2004; Myolaimus?; was subgenus of Rhabditis; placement?]
SPECIES                                 Poikilolaimus ernstmayri Sudhaus & Koch, 2004:143 [Corsica; Associated with Reticulitermes lucifugus (Insecta)]
SPECIES                                 Poikilolaimus incisocaudatus (de Coninck, 1935) [syn. Andrįssy 1983 p.147; in subgenus Poikilolaimus]
                                        [=Rhabditis incisocaudatus de Coninck, 1935]
SPECIES                                 Poikilolaimus jodhpurensis (Khera, 1969) [Sudhaus 1980]
                                        [=Cephaloboides jodhpurensis Khera, 1969]
SPECIES                                 Poikilolaimus oxycercus de Man, 1895 [Redescription; Sudhaus 1980 p.290]
                                        [=Rhabditis oxycerca de Man, 1895]
                                        [=Rhabditis succaris Clapham, 1930] [syn. Sudhaus 1980 p.290]
SPECIES                                 Poikilolaimus piniperdae Fuchs, 1930 [Redescription; Blinova 1982 p.30]
                                        [=Poikilolaimus microletzkyi Fuchs, 1930] [syn. Sudhaus 1980 p.318]
SPECIES                                 Poikilolaimus rotundus (Massey, 1974) [Redescription; Blinova 1982 p.13; placed Andrįssy 1983 p.147]
                                        [=Cephaloboides rotundus Massey, 1974]