Flustridae Lamouroux, 1821
Gregarinidra corbula Seo, 1996
Gregarinidra denticulata
Gregarinidra gregaria (Heller, 1867)
Gregarinidra inarmata (Hincks, 1881)
Gregarinidra incrustans (Silén, 1941)
Gregarinidra rhizophora (Ortmann, 1890)
Gregarinidra serrata (MacGillivray, 1869)
Gregarinidra spinuligera (Hincks, 1891)
Gregarinidra variabilis (Moyano, 1974)
Gregarinidra vegae (Silén, 1941)
