Class Dinophyceae Pascher (1914) Order Dinophysiales Kof. (1926) see Order Dinophysales Er. Lindem. (1928) Family Dinophysaceae F. Stein (1883) Genus Metaphalacroma L.S. Tai & Skogsb. (1934) 221 Metaphalacroma skogsbergii Tai (1934)