Emmetrocysta fibrospinosa
From dinoflaj3
"?fibrospinosa" (Davey and Williams, 1966b, p.86, pl.5, fig.5) Sarjeant, 1981, p.123. Emendation: Davey, 1969c, p.36, as a revised diagnosis for Cordosphaeridium fibrospinosum. Holotype: Davey and Williams, 1966b, pl.5, fig.5; Bujak et al., 1980, pl.7, figs.3,6. NOW Cordosphaeridium. Originally (and now) Cordosphaeridium, subsequently Emmetrocysta?, thirdly Tityrosphaeridium?. Questionable assignment: Sarjeant (1981, p.123). Taxonomic junior synonyms: Cordosphaeridium exilimurum and Achomosphaera (subsequently Cordosphaeridium) valianta, both according to Fensome et al. (2009, p.23). Age: early Eocene.
Parent: Emmetrocysta