Cannosphaeropsis speciosa

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"?speciosa" Alberti, 1961, p.37, pl.9, fig.13.  Holotype: Alberti, 1961, pl.9, fig.13; Stancliffe and Sarjeant, 1990, pl.5, fig.6.  NOW Adnatosphaeridium?.  Originally Cannosphaeropsis, subsequently Polystephanephorus, thirdly Cannosphaeropsis?, fourthly (and now) Adnatosphaeridium?.  Questionable assignment: Stover and Evitt (1978, p.144) as a problematic species.  Age: Bathonian-Callovian.

Parent: Cannosphaeropsis