Parvocysta triquetra

?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