Difference between revisions of "Polysphaeridium fucosum"
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| − | "?<I><B>fucosum</B></I>" ([[Valensi, 1955a]], p.40; text-fig.2b) [[Davey and Williams, 1969]], p.6. Holotype: [[Valensi, 1955a]], text-fig.2b; [[Fauconnier and Masure, 2004]], pl.52, figs.8 | + | "?<I><B>fucosum</B></I>" ([[Valensi, 1955a]], p.40; text-fig.2b) [[Davey and Williams, 1969]], p.6. Holotype: [[Valensi, 1955a]], text-fig.2b; [[Fauconnier and Masure, 2004]], pl.52, figs.8–11. <B>NOW</B> <I>[[Litosphaeridium fucosum|Litosphaeridium]]</I>. Originally <I>[[Micrhystridium fucosum Appendix A|Micrhystridium]]</I>, subsequently <I>[[Hystrichosphaeridium fucosum|Hystrichosphaeridium]]</I>, thirdly <I>Polysphaeridium</I>?, fourthly <I>[[Dapsilidinium fucosum|Dapsilidinium]]</I>?, fifthly (and now) <I>[[Litosphaeridium fucosum|Litosphaeridium]]</I>. Questionable assignment: [[Davey and Williams, 1969|Davey and Williams (1969]], p.6). Taxonomic junior synonyms: <I>[[Hystrichosphaeridium tubiferum var. brevispinum|Hystrichosphaeridium tubiferum]]</I> var. <I>[[Hystrichosphaeridium tubiferum var. brevispinum|brevispinum]]</I>, according to [[Below, 1982c|Below (1982c]], p.29) — however, [[Lentin and Williams, 1985|Lentin and Williams (1985]], p.190) retained <I>[[Hystrichosphaeridium tubiferum var. brevispinum|Hystrichosphaeridium tubiferum]]</I> var. <I>[[Hystrichosphaeridium tubiferum var. brevispinum|brevispinum]]</I> (as <I>[[Hystrichosphaeridium tubiferum subsp. brevispinum|Hystrichosphaeridium tubiferum]]</I> subsp. <I>[[Hystrichosphaeridium tubiferum subsp. brevispinum|brevispinum]]</I>); <I>[[Hystrichosphaeridium arundum|Hystrichosphaeridium]]</I> (as and now <I>[[Litosphaeridium arundum|Litosphaeridium]]</I>) <I>[[Hystrichosphaeridium arundum|arundum]]</I>, according to [[Below, 1982c|Below (1982c]], p.29) — however, [[Lentin and Williams, 1985|Lentin and Williams (1985]], p.227) retained <I>[[Litosphaeridium arundum]]</I>. This combination, as a questionable assignment, was not validly published in [[Davey and Williams, 1966b|Davey and Williams (1966b]], p.95), since these authors did not fully reference the basionym. Age: Late Cretaceous. |
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Latest revision as of 19:45, 21 December 2016
"?fucosum" (Valensi, 1955a, p.40; text-fig.2b) Davey and Williams, 1969, p.6. Holotype: Valensi, 1955a, text-fig.2b; Fauconnier and Masure, 2004, pl.52, figs.8–11. NOW Litosphaeridium. Originally Micrhystridium, subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly Dapsilidinium?, fifthly (and now) Litosphaeridium. Questionable assignment: Davey and Williams (1969, p.6). Taxonomic junior synonyms: Hystrichosphaeridium tubiferum var. brevispinum, according to Below (1982c, p.29) — however, Lentin and Williams (1985, p.190) retained Hystrichosphaeridium tubiferum var. brevispinum (as Hystrichosphaeridium tubiferum subsp. brevispinum); Hystrichosphaeridium (as and now Litosphaeridium) arundum, according to Below (1982c, p.29) — however, Lentin and Williams (1985, p.227) retained Litosphaeridium arundum. This combination, as a questionable assignment, was not validly published in Davey and Williams (1966b, p.95), since these authors did not fully reference the basionym. Age: Late Cretaceous.
Parent: Polysphaeridium