Selected dinocyst taxa from the Brent Group equivalent (Bathonian-Aalenian) of the northern North Sea are described. The diagnosis of <i>Dissiliodinium</i> (Drugg 1978) is emended. Two new species: <i>Dissiliodinium willei</i> and <i>Durotrigia aspera</i> are introduced. In addition, several new taxa are informally described and illustrated.