Hystrichosphaera cingulata
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"cingulata" (Wetzel, 1933b, p.28, pl.4, fig.10) Deflandre and Cookson, 1955, p.267. Holotype: Wetzel, 1933b, pl.4, fig.10. NOW Pterodinium. Originally Cymatiosphaera (Appendix A), subsequently Hystrichosphaera, thirdly Spiniferites, fourthly Spiniferites?, fifthly (and now) Pterodinium. Taxonomic junior synonym: Cymatiosphaera (subsequently Spiniferites?) pterota, according to Below (1981a, p.114) - however, Pavlishina (1990, p.95) retained Cymatiosphaera (now Pterodinium?) pterota. Age: Senonian.
Parent: Hystrichosphaera
Infrataxon List: