Baltisphaeridium ramuliferum Appendix A
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"ramuliferum" (Deflandre, 1937b, p.74, pl.14 [al. pl.11], figs.5-6; pl.17 [al. pl.14], fig.10) Downie and Sarjeant, 1963, p.92. Holotype: Deflandre, 1937b, pl.14 (al. pl.11), fig.5; Fensome et al., 1991, fig.1 - p.721; fig.1 - p.725. Combination not validly published: basionym not fully referenced. NOW Achomosphaera. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination not validly published), thirdly (and now) Achomosphaera, fourthly Spiniferites. Age: Late Cretaceous.
Parent: Baltisphaeridium_Appendix A