Pervosphaeridium mediterraneum
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mediterraneum (Corradini, 1973, p.137-138, plo.19, figs.5a-b; text-fig.4) Masure in Fauconnier and Masure, 2004, p.346. Holotype: Corradini, 1973, text-fig.4. Originally Cleistosphaeridium, subsequently Impletosphaeridium, thirdly (and now) Pervosphaeridium. Age: Senonian.
Parent: Pervosphaeridium
