Hexagonifera jurassica
From dinoflaj3
"jurassica" Gitmez and Sarjeant, 1972, p.240–241, pl.14, figs.5,8. Emendation: Poulsen and Riding, 1992, p.28, as Senoniasphaera jurassica. Holotype: Gitmez and Sarjeant, 1972, pl.14, fig.5; Poulsen and Riding, 1992, text-figs.3C–D. NOW Senoniasphaera. Originally Hexagonifera, subsequently (and now) Senoniasphaera, thirdly Ambonosphaera. Taxonomic senior synonym: Meiourogonyaulax (now Lithodinia?) staffinensis, according to Williams et al. (1993, p.32) — however, in the same publication, Williams et al. (1993, p.56) retained Hexagonifera (now Senoniasphaera) jurassica. Age: Kimmeridgian.
Parent: Hexagonifera