"Cleistosphaeridium oligacanthum subsp. oligacanthum" Autonym.
TYPE: Holotype: W. Wetzel, 1952, pl.A, fig.8; Sarjeant, 1984c, pl.2, figs.4-5; text-fig.2; Fensome et al., 1995, figs.1-5 - p.1625. HISTORY: Originally Hystrichosphaeridium oligacanthum subsp. oligacanthum, subsequently Baltisphaeridium oligacanthum subsp. oligacanthum (Appendix A), thirdly Cleistosphaeridium? oligacanthum subsp. oligacanthum. COMMENTS: Now redundant.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |