Hystrichosphaera subgenus Hystrichosphaeropsis
From dinoflaj2
"HYSTRICHOSPHAERA subgenus HYSTRICHOSPHAEROPSIS" (Deflandre, 1935, p.232) Deflandre, 1937b, p.67. NOW Hystrichosphaeropsis. Originally (and now) Hystrichosphaeropsis, subsequently Hystrichosphaera subgenus Hystrichosphaeropsis. Deflandre (1937b, p.67) assigned Hystrichosphaera ovum to this subgenus: an entry for this species is included under the genus Hystrichosphaera. Type: Deflandre, 1935, pl.8, fig.11, as Hystrichosphaeropsis ovum.