Keywords: Alexandrium-type; B1; B2; B3; Benthic nepheloid layer; Bottom grab (Smith-McIntyre); Brigantedinium sp.; cf. Thoracosphaera sp.; Coastal dynamics; Counting, dinoflagellate cysts; Date/Time of event; DEPTH, sediment/rock; DEPTH, water; Dinoflagellate cyst, empty; Dinoflagellate cyst, full; Dinoflagellate cyst, total; Dinoflagellate cyst indeterminata, round brown; Dinoflagellate cyst indeterminata, spinny brown; Dinoflagellate cysts; Diplopsalis-type; Dubridinium sp.; Echinidinium granulatum; Echinidinium transparantum; Elevation of event; Event label; Gymnodinium catenatum; Gymnodinium microreticulatum; Gymnodinium nolleri; HABWAVE_B1; HABWAVE_B2; HABWAVE_B3; Impagidinium aculeatum; Impagidinium sp.; Latitude of event; Lejeunecysta oliva; Lejeunecysta sp.; Lingulodinium polyedra; Longitude of event; NW portuguese margin; off Figueira da Foz, NW Portugal; Peridinoid spp.; Polykrikos kofoidii; Protoceratium reticulatum; Protoperidinium americanum; Protoperidinium conicum; Protoperidinium divaricatum; Protoperidinium shanghaiense; Protoperidinium stellatum; Protoperidinium subinerme; Sample code/label; Sample material; Sample method; Scrippsiella cf. trochoidea; SMG; Spiniferites bentori; Spiniferites cf. ramosus; Spiniferites delicatus; Spiniferites membranaceus; Spiniferites mirabilis; Spiniferites sp.; surface sediments; Votadinium calvum; Votadinium rhomboideum; Votadinium spp.