Difference between revisions of "Pterodinium pterotum"

?<I><B>pterotum</B></I> ([[Cookson and Eisenack, 1958]], p.50, pl.11, fig.7) [[Pavlishina, 1990]], p.95.&nbsp; Emendation: [[Pavlishina, 1990]], p.95, as <I>Pterodinium</I>? <I>pterotum</I>.&nbsp; Holotype: [[Cookson and Eisenack, 1958]], pl.11, fig.7.&nbsp; Originally <I>[[Cymatiosphaera pterota Appendix A|Cymatiosphaera]]</I> (Appendix A), subsequently <I>[[Spiniferites pterotus|Spiniferites]]</I>, thirdly <I>[[Hystrichosphaera pterota|Hystrichosphaera]]</I>, fourthly <I>[[Spiniferites pterotus|Spiniferites]]</I>?, fifthly (and now) <I>Pterodinium</I>?.&nbsp; Questionable assignment: [[Pavlishina, 1990|Pavlishina (1990]],  p.95).&nbsp; Taxonomic senior synonym: <I>[[Cymatiosphaera cingulata Appendix A|Cymatiosphaera]]</I> (as and now <I>[[Pterodinium cingulatum|Pterodinium]]</I>) <I>[[Cymatiosphaera cingulata Appendix A|cingulata]]</I>, according to [[Below, 1981a|Below (1981a]], p.114) - however, [[Pavlishina, 1990|Pavlishina (1990]], p.95) retained <I>[[Cymatiosphaera pterota Appendix A|Cymatiosphaera]]</I> (now <I>Pterodinium</I>?) <I>[[Cymatiosphaera pterota Appendix A|pterota]]</I>.&nbsp; Taxonomic junior synonyms: <I>[[Hystrichosphaera crassimurata|Hystrichosphaera]]</I> (as <I>[[Spiniferites crassimuratus|Spiniferites]]</I>) <I>[[Hystrichosphaera crassimurata|crassimurata]]</I>, according to [[Kjellstr&#246;m, 1973|Kjellstr&#246;m (1973]], p.44) and [[Pavlishina, 1990|Pavlishina (1990]], p.95); (at specific rank) <I>[[Hystrichosphaera cingulata var. polygonalis|Hystrichosphaera cingulata]]</I> var. <I>[[Hystrichosphaera cingulata var. polygonalis|polygonalis]]</I>, according to [[Pavlishina, 1990|Pavlishina (1990]], p.95) - however, [[Paul et al., 1994|Paul et al. (1994]], p.722) retained <I>Hystrichosphaera cingulata</I> subsp. <I>polygonalis</I> (as <I>[[Pterodinium cingulatum subsp. polygonale|Pterodinium cingulatum]]</I> subsp. <I>[[Pterodinium cingulatum subsp. polygonale|polygonale]]</I>).&nbsp; Age: Albian-Maastrichtian.