Difference between revisions of "Operculodinium hirsutum"

"?<B><I>hirsutum</I></B>" ([[Ehrenberg, 1837b]], pl.1, figs.10,?13) [[Lentin and Williams, 1973]], p.102.&nbsp; <B>Name not validly published</B>: [[Ehrenberg, 1837b|Ehrenberg (1837b]]) did not intend to introduce a new species.&nbsp; Originally <I>[[Xanthidium hirsutum Appendix A|Xanthidium hirsutum]]</I> (name not validly published; Appendix A), subsequently <I>[[Ovum hispidum subsp. hirsutum Appendix A|Ovum hispidum]]</I> subsp. <I>[[Ovum hispidum subsp. hirsutum Appendix A|hirsutum]]</I> (name not validly published; Appendix A), thirdly <I>[[Hystrichosphaera hirsuta]]</I> (name not validly published), fourthly <I>[[Hystrichosphaeridium hirsutum]]</I> (name not validly published), fifthly <I>[[Baltisphaeridium hirsutum Appendix A|Baltisphaeridium hirsutum]]</I> (name not validly published; Appendix A), sixthly <I>Operculodinium hirsutum</I> (name not validly published), seventhly <I>Operculodinium</I>? <I>hirsutum</I> (name not validly published).&nbsp; Questionable assignment: [[Stover and Evitt, 1978|Stover and Evitt (1978]], p.179).&nbsp; According to [[Fensome et al., 1990|Fensome et al. (1990]], p.102): "It is apparent from the discussion given by [[Sarjeant, 1984a|Sarjeant (1984a]], p.131-132) that [[Ehrenberg, 1838|Ehrenberg (1838]] [1837b herein]) did not intend to introduce a new taxon but was comparing fossil specimens with <I>[[Xanthidium hirsutum Appendix A|Xanthidium]]</I> (now <I>Staurastrum</I>) <I>[[Xanthidium hirsutum Appendix A|hirsutum]]</I> [[Ehrenberg, 1838]] [1837b herein], a species of extant desmids.&nbsp; Thus the microfossil species name <I>[[Xanthidium hirsutum Appendix A|Xanthidium hirsutum]]</I> and derivatives (<I>[[Hystrichosphaeridium hirsutum]]</I>, <I>[[Hystrichosphaera hirsuta]]</I> and <I>Operculodinium hirsutum</I>) are not validly published according to I.C.N. Article 36.1a.&nbsp; The specimen illustrated and provisionally identified as <I>[[Xanthidium hirsutum Appendix A|Xanthidium hirsutum]]</I> by [[Ehrenberg, 1838|Ehrenberg (1838]] [1837b herein]) is a specimen of <I>[[Coronifera striolata]]</I> ... according to [[Sarjeant, 1984a|Sarjeant (1984a]], p.131-132)."  [[Yun Hyesu, 1981|Yun Hyesu (1981]], p.29) considered <I>[[Xanthidium hirsutum Appendix A|Xanthidium hirsutum]]</I> of [[Ehrenberg, 1837b|Ehrenberg (1837b]]) to be a possible taxonomic junior synonym of <I>[[Hystrichosphaeridium pseudhystrichodinium|Hystrichosphaeridium]]</I> (now <I>[[Pervosphaeridium pseudhystrichodinium|Pervosphaeridium]]</I>) <I>[[Hystrichosphaeridium pseudhystrichodinium|pseudhystrichodinium]]</I>.&nbsp; Age: Late Cretaceous.

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