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Hystrichosphaera pilosa forma nanus
Hystrichosphaera pilosa forma nana O. Wetzel, 1933
Now Prolixosphaeridium nanum. Originally Hystrichosphaera cf. pilosa forma nana, subsequently Sentusidinium pilosum? forma nanum, thirdly (and now) Prolixosphaeridium nanum.
Holotype: O. Wetzel, 1933, pl.4, fig.23; Sarjeant, 1985, pl.2, figs.6-7
Age: Late Cretaceous
Now Prolixosphaeridium nanum. Originally Hystrichosphaera cf. pilosa forma nana, subsequently Sentusidinium pilosum? forma nanum, thirdly (and now) Prolixosphaeridium nanum.
Holotype: O. Wetzel, 1933, pl.4, fig.23; Sarjeant, 1985, pl.2, figs.6-7
Age: Late Cretaceous