Adnatosphaeridium apiculatum

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"apiculatum" (Cookson and Eisenack, 1960b, p.254, pl.39, fig.15) Lentin and Williams, 1973, p.11.  Emendation: Davey, 1988, p.42-43, as Papuadinium apiculatum.  Holotype: Cookson and Eisenack, 1960b, pl.39, fig.15; Fensome et al., 1993a, fig.1 - p.927.  NOW Papuadinium.  Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella, fourthly (and now) Papuadinium.  Age: Tithonian.

Parent: Adnatosphaeridium