*Morkallacysta pyramidalis Harris, 1974, p.163, pl.1, figs.5-11.
TYPE: Holotype: Harris, 1974, pl.1, fig.5. HISTORY: Originally (and now) Morkallacysta, subsequently Palaeoperidinium. Stover and Evitt (1978, p.113-114) retained this species in Morkallacysta. AGE: Paleocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |