Parvocysta triquetra
From dinoflaj2
?triquetra Riding and Shaw in Riding et al., 1991, p.152, pl.1, figs.6-10; text-fig.4B. Holotype: Riding et al., 1991, pl.1, fig.9. Questionable assignment: Riding and Shaw in Riding et al. (1991, p.152). Age: Late Toarcian-Aalenian.
Parent: Parvocysta
