Scriniodinium irregulare
From dinoflaj2
"?irregulare" (Cookson and Eisenack, 1958, p.28-29, pl.10, figs.1-2) Stover and Evitt, 1978, p.188. Holotype: Cookson and Eisenack, 1958, pl.10, fig.1; Jan du Chêne et al., 1986a, pl.109, figs.1-2. NOW Endoscrinium. Originally Wetzeliella, subsequently Wetzeliopsis (name not validly published), thirdly Scriniodinium?, fourthly Tubotuberella, fifthly (and now) Endoscrinium. Questionable assignment: Stover and Evitt (1978, p.188). Taxonomic junior synonym: Wetzeliella meckelfeldensis, according to Costa and Downie (1979, p.43) - however, Lentin and Williams (1981, p.290) retained Wetzeliella meckelfeldensis. Age: Late Jurassic.
Parent: Scriniodinium