Difference between revisions of "Cleistosphaeridium oligacanthum"

"?<I><B>oligacanthum</B></I>" ([[Wetzel, 1952]], p.402-405, pl.A, figs.4,7-8,11a-b; text-figs.21-25) [[Davey et al., 1969]], p.16.&nbsp; Emendation: Wilson and Sarjeant in [[Sarjeant, 1984c]], p.128, as <I>[[Laticavodinium oligacanthum]]</I>.&nbsp; Holotype: [[Wetzel, 1952]], pl.A, fig.8; [[Sarjeant, 1984c]], pl.2, figs.4-5; text-fig.2; [[Fensome et al., 1995]], figs.1-5 - p.1625; [[Dietz et al., 1999]], text-fig.6g.&nbsp; <B>NOW</B> <I>[[Impletosphaeridium oligacanthum|Impletosphaeridium]]</I>.&nbsp; Originally <I>[[Hystrichosphaeridium oligacanthum|Hystrichosphaeridium]]</I>, subsequently <I>[[Baltisphaeridium oligacanthum Appendix A|Baltisphaeridium]]</I> (Appendix A), thirdly <I>Cleistosphaeridium</I>?, fourthly <I>[[Laticavodinium oligacanthum|Laticavodinium]]</I>, fifthly (and now) <I>[[Impletosphaeridium oligacanthum|Impletosphaeridium]]</I>?.&nbsp; Questionable assignment: [[Davey et al., 1969|Davey et al. (1969]], p.16).&nbsp; This combination was not validly published in [[Davey et al., 1966|Davey et al. (1966]], p.170), since these authors did not fully reference the basionym.&nbsp; Age: Danian.