Tityrosphaeridium gracile
From dinoflaj2
"gracile" (Eisenack, 1954b, p.66, pl.8, fig.17; pl.10, figs.3-8; pl.12, figs.7,21) Sarjeant, 1981, p.121. Emendation: Davey and Williams, 1966b, p.84-85, as Cordosphaeridium gracile. Holotype: Eisenack, 1954b, pl.10, fig.5. NOW Cordosphaeridium gracile. Originally Hystrichosphaeridium inodes subsp. gracile, subsequently Cordosphaeridium inodes subsp. gracile, thirdly (and now) Cordosphaeridium gracile, fourthly Tityrosphaeridium gracile. Age: Oligocene.
Parent: Tityrosphaeridium