Scriniodinium ceratophorum

?ceratophorum Cookson and Eisenack, 1960b, p.249, pl.37, fig.7.  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.  Originally Scriniodinium, subsequently (and now) Scriniodinium?.  Questionable assignment: Stover and Evitt (1978, p.187).  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.  Riding and Fensome (2003, p.14) indicated that this species may be assignable to Gonyaulacysta.  Age: Oxfordian-Early Kimmeridgian.

Parent: Scriniodinium