Rhaetogonyaulax tortuosa

"tortuosa" Fisher and van Helden, 1979, p.274,276, pl.2, fig.7; pl.3, figs.2,6–7; pl.4, figs.1–8.  Holotype: Fisher and van Helden, 1979, pl.4, figs.4,6.  Taxonomic senior synonym: Gonyaulax (as and now Rhaetogonyaulax) rhaetica, according to Below (1987a, p.105).  Age: Carnian–Rhaetian.

Parent: Rhaetogonyaulax