"Polystephanephorus urnaformis" (Cookson, 1953, p.118, pl.2, figs.41-43) Sarjeant, 1961b, p.1096.
TYPE: Holotype: Cookson, 1953, pl.2, figs.41-42. HISTORY: NOW: Emmetrocysta. Originally Cannosphaeropsis, subsequently Polystephanephorus, thirdly (and now) Emmetrocysta. COMMENTS: Although Sarjeant (1961b, p.1096) did not fully reference the basionym when he proposed this combination, he was clearly using zoological nomenclature, which does not require basionym citations. AGE: Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |