Stomiosphaera misolensis
From dinoflaj2
"misolensis" (Vogler, 1941, p.281, pl.20, figs.1b,8) Dufour, 1968, p.1948. Name not validly published: generic name not validly published and holotype not designated. Originally Cadosina (name not validly published), subsequently Stomiosphaera (name not validly published). See Cadosina misolensis for discussion. Age: Late Jurassic?-Neocomian?.
Parent: Stomiosphaera