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Hystrichosphaeridium ramuliferum

"Hystrichosphaeridium ramuliferum" Deflandre, 1937b, p.74, pl.14 (al. pl.11), figs.5-6; pl.17 (al. pl.14), fig.10.

TYPE: Holotype: Deflandre, 1937b, pl.14 (al. pl.11), fig.5; Fensome et al., 1991, fig.1 - p.721; fig.1 - p.725.

HISTORY: NOW: Achomosphaera. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination not validly published; Appendix A), thirdly (and now) Achomosphaera, fourthly Spiniferites.

SYNONYM(S): Taxonomic junior synonym: Hystrichosphaeridium rehdense, according to Sarjeant (1983, p.97,99).

AGE: Late Cretaceous.


Infraspecific taxa:


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DINOFLAJ (c) 1998