Adnatosphaeridium tutulosum

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.

Parent: Adnatosphaeridium