*Emmetrocysta urnaformis (Cookson, 1953, p.118, pl.2, figs.41-43) Stover, 1975, p.42.
TYPE: Holotype: Cookson, 1953, pl.2, figs.41-42. HISTORY: Originally Cannosphaeropsis, subsequently Polystephanephorus, thirdly (and now) Emmetrocysta. AGE: Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |