Spiniferites ramosus var. gracilis
From dinoflaj3
"var. gracilis" (Davey and Williams, 1966a, p.34–35, pl.1, fig.5; pl.5, fig.6) Corradini, 1973, p.165. Holotype: Davey and Williams, 1966a, pl.5, fig.6; Bujak et al., 1980, pl.4, figs.1–2. NOW Spiniferites ramosus subsp. gracilis. Originally Hystrichosphaera ramosa var. gracilis, subsequently Spiniferites ramosus var. gracilis, thirdly (and now) Spiniferites ramosus subsp. gracilis. Taxonomic junior synonym (at subspecific rank): Hystrichosphaeridium plicatum, according to Sarjeant (1983, p.93). Age: Cenomanian–Eocene.
Parent: Spiniferites ramosus