沟鞭藻类dinoflagellates是一类具双鞭毛的单细胞海生生物,它的生物分类地位一度争议很大,目前一般将其归入藻类,属于沟鞭藻门甲藻纲。它的研究手段与孢粉学相近,化石沟鞭藻类研究被列入古孢粉学研究的范畴。由于化石沟鞭藻类的研究与石油勘探关系极为密切,它的研究在我国虽然 Dinoflagellates is a kind of single-cell marine organism with double flagella. Its biological taxonomic status was controversial for a long time. At present, it is generally classified as algae, belonging to the genus Dinophyceae. Its research methods are similar to palynology, and the research on fossil dinoflagellates has been included in the study of ancient palynology. As the study of fossil dinoflagellates and petroleum exploration are very close, its research in our country