Spiniferites ramuliferus
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"ramuliferus" (Deflandre, 1937b, p.74, pl.14 [al. pl.11], figs.5–6; pl.17 [al. pl.14], fig.10) Reid, 1974, p.608. Holotype: Deflandre, 1937b, pl.14 (al. pl.11), fig.5; Fensome et al., 1991, fig.1 — p.721; fig.1 — p.725. NOW Achomosphaera. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination not validly published, Appendix A), thirdly (and now) Achomosphaera, fourthly Spiniferites. Taxonomic junior synonym: Hystrichosphaeridium rehdense, according to Sarjeant (1983, p.97–99). Age: Late Cretaceous.
Parent: Spiniferites