- Haplosplanchnus bivitellosus Zhukov, 1971
- Haplosplanchnus caudatus (Srivastava, 1937) Skrjabin & Guschanskaja, 1955
- Haplosplanchnus pachysoma (Eysenhardt, 1829) Looss, 1902
- Haplosplanchnus pachysomus (Eysenhardt, 1829) Looss, 1902 accepted as Haplosplanchnus pachysoma (Eysenhardt, 1829) Looss, 1902
- Hymenocotta mugilis Wang & Wang, 1993
- Schikhobalotrema acutum (Linton, 1910) Skrjabin & Guschanskaja, 1955
- Schikhobalotrema longivesiculatum Orecchia & Paggi, 1975