Systematophora diversispinosa
From dinoflaj3
"diversispinosa" (Davey et al., 1966, p.167, pl.10, fig.7) Islam, 1993, p.88. Emendation: Eaton et al., 2001, p.177. Holotype: Davey et al., 1966, pl.10, fig.7; Bujak et al., 1980, pl.7, figs.7–8; Islam, 1993, pl.1, figs.1–10; text-figs.1A–B; Eaton et al., 2001, figs.1A–B,2A–B; Fauconnier and Masure, 2004, pl.77, fig.9. NOW Cleistosphaeridium. Originally (and now) Cleistosphaeridium, subsequently Systematophora. Eaton et al. (2001, p.177) retained this species in Cleistosphaeridium. Taxonomic junior synonym: Areosphaeridium polypetellum, according to Islam (1993, p.88) — however, Eaton et al. (2001, p.194) retained Areosphaeridium (as and now Cleistosphaeridium) polypetellum. Age: early Eocene.