Tanyosphaeridium toryna
From dinoflaj2
"toryna" (Cookson and Eisenack, 1960b, p.252, pl.38, figs.6,15) Stover and Evitt, 1978, p.85. Holotype: Cookson and Eisenack, 1960b, pl.38, fig.15. NOW Egmontodinium. Originally Hystrichosphaeridium, subsequently Prolixosphaeridium?, thirdly Tanyosphaeridium, fourthly (and now) Egmontodinium. N.I.A. Age: Tithonian-Neocomian.
Parent: Tanyosphaeridium