Baltisphaeridium mixtispinosum Appendix A

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"mixtispinosum" Klement, 1960, p.58, pl.6, figs.17-19.  Holotype: Klement, 1960, pl.6, figs.17-18; Sarjeant, 1984a, pl.4, fig.4; Fauconnier and Masure, 2004, pl.66, figs.2-3.  NOW Prolixosphaeridium.  Originally Baltisphaeridium, subsequently (and now) Prolixosphaeridium.  Taxonomic junior synonym: Prolixosphaeridium basifurcatum, according to Courtinat (1989, p.182) - however, Fauconnier and Monteil in Fauconnier and Masure (2004, p.461) retained Prolixosphaeridium basifurcatum.  Age: Early Kimmeridgian.

Parent: Baltisphaeridium