Baltisphaeridium mixtispinosum, Klement, 1960

Now Prolixosphaeridium. Originally Baltisphaeridium, subsequently (and now) Prolixosphaeridium.
Tax. sr. synonym of Prolixosphaeridium basifurcatum Dodekova, 1969, according to Courtinat, 1989.

Holotype: Klement, 1960, pl.6, figs.17-18; Sarjeant, 1984, pl.4, fig.4
Age: Early Kimmeridgian