Spinidinium rhombicum

"rhombicum" (Cookson and Eisenack, 1974, p.49-50, pl.20, figs.5-9) Stover and Evitt, 1978, p.124.  Holotype: Cookson and Eisenack, 1974, pl.20, fig.7.  NOW Spinidinium echinoideum subsp. rhombicum.  Originally Deflandrea rhombica, subsequently (and now) Spinidinium echinoideum subsp. rhombicum, thirdly Spinidinium rhombicum.  Age: Albian-Cenomanian.

Parent: Spinidinium