Colomisphaera minutissima
From dinoflaj2
"*minutissima" (Colom, 1935, p.12, pl.2, fig.8; text-fig.4a [four specimens]) Nowak, 1968, p.304. Name not validly published: holotype not designated. Originally Fibrosphaera (name not validly published; Appendix A), subsequently Stomiosphaera (name not validly published), thirdly Colomisphaera (name not validly published), fourthly Schizosphaerella (name not validly published). Age: late Early Jurassic.
Parent: Colomisphaera