Difference between revisions of "Pterodinium pterotum"
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Revision as of 16:17, 4 December 2016
?pterotum (Cookson and Eisenack, 1958, p.50, pl.11, fig.7) Pavlishina, 1990, p.95. Emendation: Pavlishina, 1990, p.95, as Pterodinium? pterotum. Holotype: Cookson and Eisenack, 1958, pl.11, fig.7. Originally Cymatiosphaera (Appendix A), subsequently Spiniferites, thirdly Hystrichosphaera, fourthly Spiniferites?, fifthly (and now) Pterodinium?. Questionable assignment: Pavlishina (1990, p.95). Taxonomic senior synonym: Cymatiosphaera (as and now Pterodinium) cingulata, according to Below (1981a, p.114) - however, Pavlishina (1990, p.95) retained Cymatiosphaera (now Pterodinium?) pterota. Taxonomic junior synonyms: Hystrichosphaera (as Spiniferites) crassimurata, according to Kjellström (1973, p.44) and Pavlishina (1990, p.95); (at specific rank) Hystrichosphaera cingulata var. polygonalis, according to Pavlishina (1990, p.95) - however, Paul et al. (1994, p.722) retained Hystrichosphaera cingulata subsp. polygonalis (as Pterodinium cingulatum subsp. polygonale). Age: Albian-Maastrichtian.
Parent: Pterodinium