Parvocysta tricornuta
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?tricornuta Riding and Shaw in Riding et al., 1991, p.149–150,152, pl.1, figs.11–15; text-fig.4C. Holotype: Riding et al., 1991, pl.1, fig.11. Questionable assignment: Riding and Shaw in Riding et al. (1991, p.149). Age: late Toarcian–Aalenian.
Parent: Parvocysta