(Table 1) Stratigraphic distribution of new marine palynomorph species recorded for the Miocene and lowermost Pliocene of ODP Hole 105-646B

Three new dinocyst genera, 14 new dinocyst species, and one new acritarch species are described from the upper Miocene to lowermost Pliocene Site 646 in the Labrador Sea. The new genera described are Habibacysta, Cristadinium, and Muraticysta. The new dinocyst species described are Capillicysta gloriana, Cerebrocysta? namocensis, Corrudinium? labradori, Cristadinium cristatoserratum, Cristadinium diminutivum, Gongylodinium serratum, Habibacysta tectata, Impagidinium fenestroseptatum, Muraticysta microornata, Nematosphaeropsis major, Operculodinium? eirikianum, Operculodinium janduchenei, Selenopemphix dionaeacysta, and Selenopemphix? indentata. A new acritarch species, Cymatiosphaera? invaginata is also described.