Gonyaulacysta ceratophora

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ceratophora (Cookson and Eisenack, 1960b, p.249, pl.37, fig.7) Riding, 2005b, p.14.  Emendation: Riding, 2005a, p.14,16,18, as Gonyaulacysta ceratophora.  Holotype: Cookson and Eisenack, 1960b, pl.37, fig.7; Jan du Chêne et al., 1986a, pl.112, fig.1; Helby et al., 1987, fig.18C: Riding, 2005a, text-figs.2A-B.  Originally Scriniodinium, subsequently Scriniodinium?, thirdly (and now) Gonyaulacysta.  Taxonomic junior synonym: Psaligonyaulax australica, according to Jan du Chêne et al. (1986a, p.266) - however, Psaligonyaulax australica is now considered a taxonomic junior synonym of Psaligonyaulax (as Gonyaulacysta) dualis.  Age: Oxfordian-Early Kimmeridgian.

Parent: Gonyaulacysta