Heteramoeba clara Droop
Percolomonas cosmopolita (Ruinen) Fenchel & Patterson
Percolomonas cuspidata Larsen & D.J.Patterson
Tetramitus rotundata Skuja, 1948 accepted as Quadricilia rotundata (Skuja) Vørs, 1992
Tetramitus salinus Entz, 1883
Vahlkampfia anaerobica Smirnov & Fenchel, 1996
Vahlkampfia baltica Schmoller, 1961
Vahlkampfia caledonica Anderson, Rogerson & Hannah, 1997
Vahlkampfia calkinsi Hogue, 1914 accepted as Flabellula calkinsi (Hogue, 1914) Page, 1983
Vahlkampfia damariscottae F.C.Page, 1974 (uncertain )
Vahlkampfia dumnonica Page, 1983
Vahlkampfia longicauda Schmoller, 1964
Vahlkampfia trilaminata Schmoller, Jonas & Ludvik, 1983