Gonyaulacysta cristata

"cristata" Riley in Fisher and Riley, 1980, p.320, pl.1, figs.8,12.  Holotype: Fisher and Riley, 1980, pl.1, figs.8,12; Jan du Chêne et al., 1986a, pl.67, fig.20.  NOW Leptodinium volgense.  Originally Gonyaulacysta cristata, subsequently Leptodinium cristatum (combination illegitimate), thirdly (and now) Leptodinium volgense, fourthly Millioudodinium cristatum, fifthly Cribroperidinium cristatum (combination not validly published).  Age: Volgian.

Parent: Gonyaulacysta