"Hystrichosphaeridium oligacanthum subsp. granulatum" W. Wetzel, 1952, p.404; text-fig.25.
EMENDATION: Sarjeant, 1984c, p.136, as Surculosphaeridium? granulatum. TYPE: Holotype: W. Wetzel, 1952, text-fig.25; Sarjeant, 1984c, pl.5, figs.1-3; text-fig.8. HISTORY: NOW: Surculosphaeridium? granulatum. Originally Hystrichosphaeridium oligacanthum subsp. granulatum, subsequently Baltisphaeridium oligacanthum subsp. granulatum (Appendix A), thirdly Cleistosphaeridium? oligacanthum subsp. granulatum, fourthly (and now) Surculosphaeridium? granulatum. AGE: Paleocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |