Diagnosis:Suessialeans in which a dinosporin cyst is included in the life-cycle and evidences a tabulation involving seven to nine latitudinal series of plates.
Beaumontella Below 1987a; Jurassic (Hettangian-Sinemurian).
Noricysta Bujak and Fisher 1976; Triassic (Norian).
Suessia Morbey 1975; Triassic (Rhaetian).
Umbriadinium Bucefalo Palliani and Riding 1997; Jurassic (Pliensbachian-Toarcian).
Wanneria Below 1987a; Triassic (Norian).