Massart, J. (1920). Recherches sur les organismes inférieurs. 7. Sur la motilité des Flagellates. Bull. Cl. sci., Acad. r. Belg. 5(6): 116-140. (look up in IMIS) [details]
Guiry, M.D. & Guiry, G.M. (2018). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Prymnesium Massart, 1920. Accessed through: Moestrup, Ø.; Akselmann, R.; Fraga, S.; Hoppenrath, M.; Iwataki, M.; Komárek, J.; Larsen, J.; Lundholm, N.; Zingone, A. (Eds) (2009 onwards) IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae at: http://www.marinespecies.org/hab/aphia.php?p=taxdetails&id=160563 on 2018-04-21
Moestrup, Ø.; Akselmann, R.; Fraga, S.; Hoppenrath, M.; Iwataki, M.; Komárek, J.; Larsen, J.; Lundholm, N.; Zingone, A. (Eds) (2009 onwards). IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae. Prymnesium Massart, 1920. Accessed at: http://www.marinespecies.org/hab/aphia.php?p=taxdetails&id=160563 on 2018-04-21
original description Massart, J. (1920). Recherches sur les organismes inférieurs. 7. Sur la motilité des Flagellates. Bull. Cl. sci., Acad. r. Belg. 5(6): 116-140. (look up in IMIS) [details]