Difference between revisions of "Visbysphaera pirifera Appendix A"
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Revision as of 16:34, 4 December 2016
pirifera (Eisenack, 1954a, p.206-207, pl.1, figs.1a-b; text-fig.1) Kiryanov, 1978, p.89-90. Holotype: Eisenack, 1954a, pl.1, figs.1a-b. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Visbysphaera. Taxonomic junior synonym: Baltisphaeridium hermosum Cramer and Diez, 1968 (name not validly published), an acritarch species, according to Cramer (1970, p.148); Baltisphaeridium (now Visbysphaera) dilatispinosum Downie, 1963, an acritarch species, according to Eisenack (1965c, p.263) - however, Fensome et al. (1990, p.530) retained Visbysphaera dilatispinosa. This combination was not validly published in Lister (1970, p.98) since that author did not clearly use the name. Age: Silurian (Late Llandovery).
Parent: Visbysphaera_Appendix A