| Contents | Class | Order |
Order Choreotrichida Small & Lynn, 1985
Suborder Leegaardiellina Laval-Peuto, Grain & Deroux, 1994Fam. Leegaardiellidae Lynn & Montagnes, 1988Suborder Lohmanniellina Laval-Peuto, Grain & Deroux, 1994
Fam. Lohmanniellidae Montagnes & Lynn, 1991Suborder Strobilidiina Small & Lynn, 1985
Fam. Strobilidiidae Kahl in Doflein & Reichenow, 1929Suborder Strombidinopsina Small & Lynn, 1985
Fam. Strombidinopsidae Small & Lynn, 1985