Difference between revisions of "Baltisphaeridium trifurcatum Appendix A"
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Revision as of 16:30, 4 December 2016
"trifurcatum" (Eisenack, 1931, p.112, pl.4, figs.21-23 ex Eisenack, 1938a, p.12,16-19) Eisenack, 1959, p.202. Holotype: Eisenack, 1931, pl.4, fig.21, as Ovum hispidum subsp. trifurcatum; Eisenack, 1938a, pl.2, fig.2; lost according to Eisenack (1959, p.202). Neotype: Eisenack, 1959, pl.17, fig.3, designated by Eisenack (1959, p.202). NOW Peteinosphaeridium trifurcatum (Appendix A). Originally Ovum hispidum subsp. trifurcatum (name not validly published, Appendix A), subsequently Hystrichosphaeridium trifurcatum, thirdly Baltisphaeridium trifurcatum, fourthly (and now) Peteinosphaeridium trifurcatum (Appendix A). Taxonomic junior synonyms: Peteinosphaeridium bergstroemii Staplin et al., 1965, an acritarch species, according to Eisenack (1969b, p.254-255); Baltisphaeridium trifurcatum subsp. breviradiatum (subsequently Peteinosphaeridium breviradiatum), by implication in Eisenack (1969b, p.255), who considered Baltisphaeridium trifurcatum subsp. breviradiatum to be the senior name. This combination was not validly published in Eisenack (1958b, p.400), since that author did not fully reference the basionym. Age: Ordovician (erratic).
Parent: Baltisphaeridium_Appendix A
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