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Hystrichokolpoma biformoides

"Hystrichokolpoma biformoides" (Eisenack, 1954b, p.68, pl.11, figs.16-20) Rozen, 1965, p.308.

TYPE: Holotype: Eisenack, 1954b, pl.11, fig.18.

HISTORY: NOW: Achilleodinium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichokolpoma, fourthly (and now) Achilleodinium, fifthly Florentinia.

COMMENTS: Morgenroth (1966a, p.28) also proposed this combination.

AGE: Late Eocene-Early Oligocene.


Infraspecific taxa:


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