Thoracosphaera geometrica Appendix B
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"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, subsequently Orthopithonella, thirdly Thoracosphaera, fourthly (and now) ?Orthopithonella. 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_Appendix B