Difference between revisions of "Peteinosphaeridium trifurcatum Appendix A"

+<I><B>trifurcatum</B></I> ([[Eisenack, 1931]], p.112, pl.4, figs.21-23 ex [[Eisenack, 1938a]], p.12,16-19) [[Eisenack, 1969a]], p.254.&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>; [[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; Originally <I>[[Ovum hispidum subsp. trifurcatum Appendix A|Ovum hispidum]]</I> subsp. <I>[[Ovum hispidum subsp. trifurcatum Appendix A|trifurcatum]]</I> (name 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</I>.&nbsp; Taxonomic senior synonym: <I>[[Xanthidium ramosum Appendix A|Xanthidium]]</I> (now <I>[[Spiniferites ramosus|Spiniferites]]</I>) <I>[[Xanthidium ramosum Appendix A|ramosum]]</I>, according to [[Wetzel, 1933b|Wetzel (1933b]], p.36) - however, the latter species is a dinoflagellate.&nbsp; Taxonomic junior synonyms: <I>Peteinosphaeridium bergstroemii</I> [[Staplin et al., 1965]], an acritarch species, according to [[Eisenack, 1969a|Eisenack (1969a]], 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 be the senior name.&nbsp; The nomenclatural type of the genus <I>Peteinosphaeridium</I> remains the holotype of <I>Peteinosphaeridium bergstroemii</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; For further discussion see [[Fensome et al., 1990|Fensome et al. (1990]], p.392).&nbsp; Age: Ordovician (erratic).