甲藻門Dinophyta
雙鞭藻綱Dinophyceae
多甲藻目 Peridiniales
多甲藻科 Peridiniopsidaceae
擬多甲藻屬Peridiniopsis
描述:Distinguished from other peridinioids with 5–6 cingular plates by having 0–1 anterior intercalary plates. General range of plate formulae: po, x, 3–5', 0–1a, 6–7'', 6c, 4–6s, 5''', 2''''.