Arkellidinium

"ARKELLIDINIUM" Beju, 1979, p.1,4.  Taxonomic senior synonym: Sirmiodiniopsis, according to Beju in Lentin and Williams (1981, p.21).  Type: Beju, 1979, fig.1, no.1; figs.2A–A', as Arkellidinium triapertum.

Parent: Family Gonyaulacaceae Subfamily uncertain

Species List:

"Arkellidinium apiapertum"
"*Arkellidinium triapertum"