Pterodinium? cornutum Cookson and Eisenack, 1962b, p.490, pl.3, figs.1-6.
TYPE: Holotype: Cookson and Eisenack, 1962b, pl.3, figs.1-3; Jan du Chêne et al., 1986a, pl.90, fig.1. HISTORY: Originally Pterodinium, subsequently (and now) Pterodinium?, thirdly Gonyaulacysta. Jan du Chêne et al. (1986a, p.274) questionably retained this species in Pterodinium. Questionable assignment: Stover and Evitt (1978, p.183). AGE: Aptian-?Albian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |