Baltisphaeridium parvispinum Appendix A

"parvispinum" (Deflandre, 1937b, p.77, pl.16 [al. pl.13], fig.5) Klement, 1960, p.59.  Holotype: Deflandre, 1937b, pl.16 (al. pl.13), fig.5; Fauconnier and Masure, 2004, pl.66, figs.5–6.  NOW Prolixosphaeridium parvispinum.  Originally Hystrichosphaeridium? xanthiopyxides var. parvispinum, subsequently Hystrichosphaeridium parvispinum, thirdly Baltisphaeridium parvispinum, fourthly (and now) Prolixosphaeridium parvispinum.  Taxonomic junior synonyms (at specific rank): 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).  Age: late Aptian.

Parent: Baltisphaeridium_Appendix A