Thoracosphaera corsena Appendix B
From dinoflaj3
"corsena" Kamptner, 1967, p.157, pl.12, figs.81–85. Name not validly published: holotype not designated. Taxonomic senior synonym: Syracosphaera (as and now Thoracosphaera) heimii, according to Fütterer (1976, p.131). Age: extant.
Parent: Thoracosphaera_Appendix B