Peridinium gregarium – synonym of Bysmatrum caponii
Peridinium subsalsum – synonym of Bysmatrum subsalsum
Pfiesteria piscimorte – synonym of Pfiesteria piscicida
Pfiesteria piscimortuis – synonym of Pfiesteria piscicida
Phalacroma dolichopterygium – synonym of Dinophysis mitra
Phalacroma mitra – synonym of Dinophysis mitra
Phalacroma rapa – synonym of Dinophysis mitra
Phalacroma rotundatum – synonym of Dinophysis rotundata
Polysphaeridium zoharyi – synonym of Pyrodinium bahamense bahamense
Polysphaeridium zoharyi – synonym of Pyrodinium bahamense compressum
Prorocentrum cordiformis – synonym of Prorocentrum minimum
Prorocentrum diamantinae – synonym of Prorocentrum gracile
Prorocentrum hentschelii – synonym of Prorocentrum gracile
Prorocentrum macrurus – synonym of Prorocentrum gracile
Prorocentrum mariae-lebouriae – synonym of Prorocentrum minimum
Prorocentrum marinum – synonym of Prorocentrum foraminosum
Prorocentrum maximum – synonym of Prorocentrum mexicanum
Prorocentrum pacificum – synonym of Prorocentrum micans
Prorocentrum pomoideum – synonym of Prorocentrum balticum
Prorocentrum pyrenoideum – synonym of Prorocentrum triestinum
Prorocentrum redfeldii – synonym of Prorocentrum triestinum
Prorocentrum rhathymum – synonym of Prorocentrum mexicanum
Prorocentrum schilleri – synonym of Prorocentrum micans
Prorocentrum setouti – synonym of Prorocentrum triestinum
Prorocentrum shikokuensis – synonym of Prorocentrum triestinum
Prorocentrum sigmoides – synonym of Prorocentrum gracile
Prorocentrum triangulatum – synonym of Prorocentrum minimum
Protogonyaulax acatenella – synonym of Alexandrium acatenella
Protogonyaulax catenella – synonym of Alexandrium catenella
Protogonyaulax cohorticula – synonym of Alexandrium tamiyavanichi
Protogonyaulax globosa – synonym of Alexandrium ostenfeldii
Protogonyaulax tamarensis – synonym of Alexandrium tamarense
Ptychodiscus brevis – synonym of Gymnodinium breve
Pyrodinium bahamense bahamense
Pyrodinium bahamense compressum
Pyrodinium bahamense f. compressa – synonym of Pyrodinium bahamense compressum
Pyrodinium monilatum – synonym of Alexandrium monilatum
Pyrodinium phoneus – synonym of Alexandrium ostenfeldii
Pyrodinium schilleri – synonym of Pyrodinium bahamense compressum