Gonyaulacysta pennata

"pennata" Riley in Fisher and Riley, 1980, p.321–322, pl.1, figs.10–11.  Holotype: Fisher and Riley, 1980, pl.1, figs.10–11; Jan du Chêne et al., 1986a, pl.98, fig.5.  NOW Rhynchodiniopsis.  Originally Gonyaulacysta, subsequently Hystrichogonyaulax, thirdly Millioudodinium, fourthly (and now) Rhynchodiniopsis.  This name was not validly published in Fisher and Riley (1976, p.52), who did not provide a description or illustration.  Age: late Kimmeridgian.

Parent: Gonyaulacysta