Xanthidium fimbriatum Appendix A

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"fimbriatum" White, 1842, p.36, pl.4, div.3, fig.3.  Holotype: White, 1842, pl.4, div.3, fig.3; Sarjeant, 1991, fig.4.2.  NOW Filisphaeridium (Appendix A).  Originally Xanthidium, subsequently Hystrichosphaeridium, thirdly Baltisphaeridium (Appendix A), fourthly Comasphaeridium (Appendix A), fifthly (and now) Filisphaeridium (Appendix A).  Age: Late Cretaceous.

Parent: Xanthidium