Valvaeodinium spinosum
From dinoflaj2
spinosum (Fenton et al., 1980, p.162-163, pl.14, figs.10-13; pl.15, figs.2,4-6) Below, 1987b, p.66. Holotype: Fenton et al., 1980, pl.14, fig.13; Fensome et al., 1995, fig.4 - p.1797. Originally Kylindrocysta, subsequently (and now) Valvaeodinium. Age: Late Bajocian-Early Bathonian.
Parent: Valvaeodinium