Cannosphaeropsis pusulosa
From dinoflaj3
"pusulosa" Morgenroth, 1966b, p.8, pl.2, fig.6. 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: Cannosphaeropsis