Class Dinophyceae Pascher (1914) Order Dinophysiales Kof. (1926) see Order Dinophysales Er. Lindem. (1928) Family Dinophysaceae F. Stein (1883) Genus Heteroschisma Kof. & Skogsb. (1928), nom. rej. see Genus Latifascia Loebl. & A.R. Loebl. (1966) Heteroschisma globulus Schiller (1933)