Thoracosphaera geometrica
From dinoflaj2
"geometrica" (Jafar, 1983, p.233, fig.10, nos.5-6) Bown, 1987, p.82. Holotype: Jafar, 1983, fig.10, no.5. NOW Orthopithonella. Originally Prinsiosphaera (Appendix A), subsequently (and now) Orthopithonella, thirdly Thoracosphaera. Taxonomic junior synonyms (at specific rank): Prinsiosphaera triassica subsp. hyalina and Prinsiosphaera triassica subsp. noeliae (both Appendix A), according to Janofske (1987, p.50). Age: Rhaetian.
Parent: Thoracosphaera
