Cordosphaeridium fibrospinosum

fibrospinosum Davey and Williams, 1966b, p.86, pl.5, fig.5.  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.  Originally (and now) Cordosphaeridium, subsequently Emmetrocysta?, thirdly Tityrosphaeridium?.  Lentin and Williams (1989, p.74) retained this species in Cordosphaeridium.  Age: Early Eocene.

Parent: Cordosphaeridium