Oligosphaeridium dictyophorum
From dinoflaj2
"dictyophorum" (Cookson and Eisenack, 1958, p.44, pl.11, fig.14) Davey and Williams, 1969, p.5. Holotype: Cookson and Eisenack, 1958, pl.11, fig.14; Fensome et al., 1993a, fig.1 - p.1125. NOW Stiphrosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Oligosphaeridium, fourthly (and now) Stiphrosphaeridium. This combination, as a questionable assignment, was not validly published in Davey and Williams (1966b, p.77), since these authors did not fully reference the basionym. Age: Late Jurassic.
Parent: Oligosphaeridium
