Stomiosphaera semiradiata
From dinoflaj3
"semiradiata" (Wanner, 1940, p.81, text-figs.36–37) Dufour, 1968, p.1948. Holotype: not designated. NOW Crustocadosina. Originally Cadosina, subsequently Stomiosphaera, thirdly (and now) Crustocadosina. Dufour did not reference the basionym when proposing this combination, but this was not a requirement since he was using zoological nomenclature. Age: Late Jurassic?
Parent: Stomiosphaera