Amastigomonas De Saedeleer (basis of record)
Amastigomonas caudata Mylnikov, 1989 (basis of record)
Amastigomonas debruynei Saedeleer, 1931 (basis of record)
Amastigomonas mutabilis (Griessmann) Molina & Nerad, 1991 (basis of record)
Apusomonadida (basis of record)
Apusomonadidae Karpov & Mylnikov, 1989 (basis of record)
Rhynchomonas mutabilis Griessmann, 1913 (basis of record)
Thecamonas J.Larsen & D.J.Patterson, 1990 (basis of record)
Thecamonas mutabilis Larsen & Patterson, 1990 accepted as
Amastigomonas mutabilis (Griessmann) Molina & Nerad, 1991 (basis of record)
Thecamonas trahens Larsen & Patterson, 1990 accepted as
Amastigomonas debruynei Saedeleer, 1931 (basis of record)