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Prolixosphaeridium spissum

"Prolixosphaeridium? spissum" (McIntyre and Brideaux, 1980, p.20, pl.7, figs.1-9) Lentin and Williams, 1981, p.234.

TYPE: Holotype: McIntyre and Brideaux, 1980, pl.7, figs.1-4.

HISTORY: NOW: Prolixosphaeridiopsis (Appendix A). Originally Cleistosphaeridium, subsequently Prolixosphaeridium?, thirdly (and now) Prolixosphaeridiopsis (Appendix A). Questionable assignment: Lentin and Williams (1981, p.234).

AGE: Valanginian.


Infraspecific taxa:


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