Adnatosphaeridium tutulosum
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tutulosum (Cookson and Eisenack, 1960a, p.8, pl.2, figs.12-13) Morgan, 1980, p.14. Holotype: Cookson and Eisenack, 1960a, pl.2, fig.13; Fauconnier and Masure, 2004, pl.1, fig.3. Originally Cannosphaeropsis, subsequently Cannosphaeropsis?, thirdly (and now) Adnatosphaeridium. Age: Cenomanian.