Impletosphaeridium lumectum

lumectum (Sarjeant, 1960a, p.139–140, pl.6, fig.1; text-fig.2) Islam, 1993, p.86.  Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium, thirdly Cleistosphaeridium?, fourthly (and now) Impletosphaeridium.  Age: late Oxfordian.

Parent: Impletosphaeridium