Baltisphaeridium oligacanthum subsp. stella Appendix A
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"subsp. stella" (Wetzel, 1952, p.403, pl.A, fig.4; text-fig.23) Downie and Sarjeant, 1965, p.93. 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, thirdly Cleistosphaeridium? oligacanthum subsp. stella, fourthly Surculosphaeridium? phoenix subsp. stella, fifthly (and now) Surculosphaeridium? stella. N.I.A. Age: Paleocene. Parent: Baltisphaeridium oligacanthum
