Disphaerogena lemniscata
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lemniscata (Corradini, 1973, p.152-153, pl.22, figs.4a-b,5; pl.33, figs.2,4; pl.39, fig.2) Lentin and Williams, 1989, p.118. Holotype: Corradini, 1973 pl.22, fig.5; Fensome et al., 1995, fig.3 - p.1601. Originally Cordosphaeridium, subsequently Cordosphaeridium?, thirdly Plethysyrinx, fourthly Cyclapophysis, fifthly (and now) Disphaerogena. Age: Late Cretaceous-Paleocene.
Parent: Disphaerogena