Adnatosphaeridium chonetum

?chonetum (Cookson and Eisenack, 1962b, p.493, pl.4, figs.8–10) Davey, 1969a, p.171.  Holotype: Cookson and Eisenack, 1962b, pl.4, fig.8.  Originally Cannosphaeropsis?, subsequently Adnatosphaeridium, thirdly (and now) Adnatosphaeridium?.  Questionable assignment: Stover and Evitt (1978, p.15).  Age: ?Cenomanian.

Parent: Adnatosphaeridium