Difference between revisions of "Cleistosphaeridium oligacanthum subsp. complanatum"

Revision as of 00:05, 1 September 2015

"subsp. complanatum" (Wetzel, 1952, p.404-405, pl.A, figs.11a-b) Lentin and Williams, 1973, p.29.  Emendation: Sarjeant, 1984c, p.142, as Solisphaeridium stimuliferum subsp. complanatum.  Holotype: Wetzel, 1952, pl.A, figs.11a-b; Sarjeant, 1984c, pl.4, fig.6; text-fig.13.  NOW Micrhystridium stimuliferum? subsp. complanatum (Appendix A).  Originally Hystrichosphaeridium oligacanthum subsp. complanatum, subsequently Baltisphaeridium oligacanthum subsp. complanatum (Appendix A), thirdly Cleistosphaeridium? oligacanthum subsp. complanatum, fourthly Solisphaeridium stimuliferum subsp. complanatum (Appendix A), fifthly (and now) Micrhystridium stimuliferum? subsp. complanatum (Appendix A).  Age: Paleocene.Cleistosphaeridium oligacanthum