Fissurina ovalis Appendix A
From dinoflaj2
"ovalis" (Kaufmann in Heer, 1865, p.196-197, figs.107a-b) Colom et al., 1953, p.529. Holotype: not designated. NOW Pithonella. Originally Lagena (Appendix A), subsequently (and now) Pithonella, thirdly Fissurina. Taxonomic junior synonym: Lagena (now Pithonella) sphaerica, according to Lorenz (1902, p.46).- however, Bonet (1956, p.450) retained Lagena (as Stomiosphaera) sphaerica. Age: late Cenomanian-Turonian (based on later studies by Bolli - P. Hochuli, personal communication).
Parent: Fissurina