Difference between revisions of "Hystrichosphaeridium intermedium Eisenack 1954a"

Revision as of 13:40, 2 December 2016

"intermedium" Eisenack, 1954a, p.208, pl.1, figs.3,9; text-figs.3-4.  Holotype: Eisenack, 1954a, pl.1, fig.3.  Name illegitimate - senior homonym: Hystrichosphaeridium intermedium (Wetzel, 1933b) Deflandre, 1937a.  Substitute name: Hystrichosphaeridium meson.  NOW Visbysphaera mesa (Appendix A).  Originally Hystrichosphaeridium intermedium (name illegitimate), subsequently Hystrichosphaeridium meson, thirdly Baltisphaeridium meson (Appendix A), fourthly (and now) Visbysphaera mesa (Appendix A), fifthly Multiplicisphaeridium meson (Appendix A).  Taxonomic junior synonym: Baltisphaeridium (subsequently Multiplicisphaeridium) micropilare Cramer, 1970, an acritarch species, according to Ye Xiaorong (1984, p.42).  Age: Silurian (Late Llandovery-Late Ludlow).