Difference between revisions of "Hystrichosphaeridium trifurcatum"

"<I><B>trifurcatum</B></I>" [[Eisenack, 1931]], p.112, pl.4, figs.21-23 ex [[Eisenack, 1938a]], p.12,16-19.&nbsp; Holotype: [[Eisenack, 1931]], pl.4, fig.21, as <I>[[Ovum hispidum subsp. trifurcatum Appendix A|Ovum hispidum]]</I> subsp. <I>[[Ovum hispidum subsp. trifurcatum Appendix A|trifurcatum]]</I> (Appendix A); [[Eisenack, 1938a]], pl.2, fig.2, lost according to [[Eisenack, 1959|Eisenack (1959]], p.202).&nbsp; Neotype: [[Eisenack, 1959]], pl.17, fig.3, designated by [[Eisenack, 1959|Eisenack (1959]], p.202).&nbsp; <B>NOW</B> <I>[[Peteinosphaeridium trifurcatum Appendix A|Peteinosphaeridium trifurcatum]]</I> (Appendix A).&nbsp; Originally <I>[[Ovum hispidum subsp. trifurcatum Appendix A|Ovum hispidum]]</I> subsp. <I>[[Ovum hispidum subsp. trifurcatum Appendix A|trifurcatum]]</I> (combination not validly published; Appendix A), subsequently <I>Hystrichosphaeridium trifurcatum</I>, thirdly <I>[[Baltisphaeridium trifurcatum Appendix A|Baltisphaeridium trifurcatum]]</I> (Appendix A), fourthly (and now) <I>[[Peteinosphaeridium trifurcatum Appendix A|Peteinosphaeridium trifurcatum]]</I> (Appendix A).&nbsp; Taxonomic junior synonyms: <I>Peteinosphaeridium bergstroemii</I> [[Staplin et al., 1965]], an acritarch species, according to [[Eisenack, 1969b|Eisenack (1969b]], p.254-255); <I>Baltisphaeridium trifurcatum</I> subsp. <I>breviradiatum</I> (subsequently <I>Peteinosphaeridium breviradiatum</I>), by implication in [[Eisenack, 1969a|Eisenack (1969a]], p.255), who considered <I>Baltisphaeridium trifurcatum</I> subsp. <I>breviradiatum</I> to have priority over <I>[[Baltisphaeridium trifurcatum subsp. trifurcatum Appendix A|Baltisphaeridium trifurcatum]]</I> subsp. <I>[[Baltisphaeridium trifurcatum subsp. trifurcatum Appendix A|trifurcatum]]</I>.&nbsp; The name <I>[[Ovum hispidum subsp. trifurcatum Appendix A|Ovum hispidum]]</I> subsp. <I>[[Ovum hispidum subsp. trifurcatum Appendix A|trifurcatum]]</I> was not validly published in [[Eisenack, 1931|Eisenack (1931]]) since the specific name <I>[[Ovum hispidum Appendix A|Ovum hispidum]]</I> was not validly published.&nbsp; Age: Ordovician (erratic).