Fibrosphaera minutissima Colom, 1935, p.12, pl.2, fig.8; text-fig.4a (four specimens).

Name not validly published: holotype not designated.
Originally Fibrosphaera (name not validly published), subsequently Stomiosphaera (name not validly published), thirdly Colomisphaera (name not validly published), fourthly Schizosphaerella (name not validly published). Designation of a holotype was a requirement of the I.C.Z.N. at the time that Colom (1935) proposed this name.

Age: Late Early Jurassic.