(8)
Nannoliths (5)
Braarudosphaeraceae (2)
Micrantholithus
Description: Similar to Braarudosphaera but sutures emerge through corners of pentalith and edge often indented.
Remarks: Most of the common Eocene species have been recorded in the Miocene but only sporadically and not in open-ocean deposits.
Range: Cretaceous to ?NN9.
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