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Prolixosphaeridium parvispinum

Prolixosphaeridium parvispinum (Deflandre, 1937b, p.77, pl.16 [al. pl.13], fig.5) Davey et al., 1969, p.17.

TYPE: Holotype: Deflandre, 1937b, pl.16 (al. pl.13), fig.5.

HISTORY: 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 deirense, according to Davey and Verdier (1974, p.636-637) - however, Harding (1990b, p.46) retained Prolixosphaeridium deirense; Prolixosphaeridium elongatum, according to Lentin and Williams (1985, p.294).

COMMENTS: This combination was not validly published in Davey et al. (1966, p.173), since these authors did not fully reference the basionym.

AGE: Late Aptian.


Infraspecific taxa:


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