Pervosphaeridium mediterraneum

mediterraneum (Corradini, 1973, p.137–138, pl.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: Late Cretaceous.

Parent: Pervosphaeridium