Endoscrinium acroferum (Prauss, 1989, p.45-46, pl.9, figs.1-2, pl.14, figs.17-22; text-fig.21) Riding and Fensome, 2003, p.21.

Originally Scriniodinium, subsequently (and now) Endoscrinium.

Holotype: Prauss, 1989, pl.14, figs.19-21; text-fig.21.
Age: Late Bathonian-Late Callovian.