- Prymnesium calathiferum Chang & Ryan, 1985
- Prymnesium faveolatum Fresnel, 2001
- Prymnesium parvum N.Carter, 1937
- Prymnesium parvum f. patelliferum (J.C.Green, D.J.Hibberd & R.N.Pienaar) A.Larsen, 1999
- Prymnesium patellifera Green, Hibberd & Pienaar, 1982 accepted as Prymnesium patelliferum J.C.Green, D.J.Hibberd & R.N.Pienaar, 1982 accepted as Prymnesium parvum f. patelliferum (J.C.Green, D.J.Hibberd & R.N.Pienaar) A.Larsen, 1999
- Prymnesium patelliferum J.C.Green, D.J.Hibberd & R.N.Pienaar, 1982 accepted as Prymnesium parvum f. patelliferum (J.C.Green, D.J.Hibberd & R.N.Pienaar) A.Larsen, 1999
- Prymnesium polylepis (Manton & Parke) Edvardsen, Eikrem & Probert, 2011
- Prymnesium zebrinum C.Billard, 1983