Nematosphaeropsis pusulosa
From dinoflaj2
"pusulosa" (Morgenroth, 1966b, p.8, pl.2, fig.6) Stover and Evitt, 1978, p.176. Holotype: Morgenroth, 1966b, pl.2, fig.6; Sarjeant et al., 1987, pl.1, fig.8. NOW Trabeculidium. Originally Cannosphaeropsis, subsequently Nematosphaeropsis, thirdly (and now) Trabeculidium. Age: Early Oligocene.
Parent: Nematosphaeropsis