Meiourogonyaulax diaphana

diaphana Stevens, 1987, p.191-192, figs.4A-K,6A-B,7A-D. Holotype: Stevens, 1987, figs.4A-D,6A-B; Fensome et al., 1996, figs.1-3,9-10 - p.2111. Originally (and now) Meiourogonyaulax, subsequently Lithodinia?. This species is here retained in Meiourogonyaulax following the retention of the genus by Riding and Helby (2001d, p.81,83). Age: Early Berriasian.