Phascolosomatidae Stephen & Edmonds, 1972
Apionsoma claviformis Popkov, 1993
Apionsoma immunitum (Sluiter, 1902)
Apionsoma misakianum (Ikeda, 1904)
Apionsoma murinae (E. Cutler, 1969)
Apionsoma papilliferum (Keferstein, 1865)
Apionsoma pectinatum (Keferstein, 1867)
Apionsoma reconditum (Sluiter, 1900)
Apionsoma trichocephalus Sluiter, 1902
