Cannosphaeropsis speciosa
From dinoflaj3
"?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