Palaecysta virgae subsp. externa
From dinoflaj3
subsp. externa Chen, 2013, p.294–295, pl.10, figs.110–120; text-fig.8, text-fig.9, no.12, text-fig.10, no.37, text-fig.11, nos.60–61. Holotype: Chen, 2013, pl.10, fig.119. Age: late Tithonian–Berriasian.
Parent: Palaecysta virgae