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Hystrichosphaeridium xanthiopyxides var. parvispinum

"Hystrichosphaeridium xanthiopyxides var. parvispinum" Deflandre, 1937b, p.77, pl.16 (al. pl.13), fig.5.

TYPE: Holotype: pl.16 (al. pl.13), fig.5.

HISTORY: NOW: Prolixosphaeridium parvispinum. Originally Hystrichosphaeridium? xanthiopyxides var. parvispinum, subsequently Hystrichosphaeridium parvispinum, thirdly Baltisphaeridium parvispinum (Appendix A), fourthly (and now) Prolixosphaeridium parvispinum.

SYNONYM(S): Taxonomic junior synonyms (at specific and varietal ranks): Prolixosphaeridium elongatum, according to Lentin and Williams (1985, p.294); Prolixosphaeridium deirense, according to Davey and Verdier (1974, p.636-637) - however, Harding (1990b, p.46) retained Prolixosphaeridium deirense.

AGE: Late Aptian.


Infraspecific taxa:


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