• Ancyromonas sigmoides Kent, 1881
• Heteramoeba clara Droop
• Jakoba libera (Ruinen) D.J.Patterson, 1990
• 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
• Trichomastix salina Entz, 1904
• Trichomastix salinus Entz, 1904 accepted as Trichomastix salina Entz, 1904
• Triflagellum salinum Namyslowski, 1913
• Trimastix marina W.S.Kent
• 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