Sentusidinium atlanticum

"?atlanticum" (Habib, 1972, p.375, pl.4, figs.2,5) Sarjeant and Stover, 1978, p.50.  Holotype: Habib, 1972, pl.4, fig.2.  NOW Valvaeodinium.  Originally Tenua Eisenack, subsequently Sentusidinium?, thirdly Fromea (Appendix A), fourthly Kylindrocysta, fifthly (and now) Valvaeodinium.  Questionable assignment: Sarjeant and Stover (1978, p.50).  Taxonomic junior synonym: Fromea complicata (Appendix A), according to Davies (1983, p.31) — however, Jansonius (1989, p.65) retained Fromea complicata.  Age: Callovian–Oxfordian.

Parent: Sentusidinium