Hystrichosphaeridium oligacanthum subsp. stella

"subsp. stella" Wetzel, 1952, p.403, pl.A, fig.4; text-fig.23.  Emendation: Sarjeant, 1984c, p.135, as Surculosphaeridium phoenix subsp. stella.  Holotype: Wetzel, 1952, pl.A, fig.4; Dietz et al. 1999, text-fig.6f.  NOW Surculosphaeridium? stella.  Originally Hystrichosphaeridium oligacanthum subsp. stella, subsequently Baltisphaeridium oligacanthum subsp. stella (Appendix A), thirdly Cleistosphaeridium? oligacanthum subsp. stella, fourthly Surculosphaeridium? phoenix subsp. stella, fifthly (and now) Surculosphaeridium? stella.  N.I.A.  Age: Paleocene. Parent: Hystrichosphaeridium oligacanthum