- Aduncodinium glandula (E.C.Herdman) N.S.Kang, H.J.Jeong & Moestrup, 2015 (uncertain)
- Pfiesteria piscicida Steidinger & J.M.Burkholder, 1996
- Pfiesteria shumwayae Glasgow & J.M.Burkholder, 2001
- Pseudopfiesteria shumwayae (Glasgow & J.M.Burkholder) Litaker, Steidinger, P.Mason, Shields & P.Tester, 2005 accepted as Pfiesteria shumwayae Glasgow & J.M.Burkholder, 2001
- Speroidium fungiforme (Anisimova) Moestrup & Calado, 2018