Norris, 1978b

Norris, G., 1978b: hylogeny and a revised supra-generic classification for Triassic-Quaternary organic-walled dinoflagellate cysts (Pyrrhophyta). PPart I. Cyst terminology and assessment of previous classifications. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 155(3), p.300-317.