Nematosphaeropsis quinquetra
From dinoflaj2
"quinquetra" (Duxbury, 1980, p.133-134, pl.9, figs.1-2,5) Stover and Williams, 1987, p.217. Holotype: Duxbury, 1980, pl.9, fig.2; Fensome et al., 1995, fig.2 - p.1729. NOW Trabeculidium. Originally (and now) Trabeculidium, subsequently Nematosphaeropsis. Age: mid Barremian.
Parent: Nematosphaeropsis