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Hystrichosphaera intermedia
Hystrichosphaera intermedia O. Wetzel, 1933
Now Hystrichosphaeridium. Originally Hystrichosphaera, subsequently (and now) Hystrichosphaeridium, thirdly Baltisphaeridium.
Possible tax. sr. synonym of Polysphaeridium zoharyi (Rossignol, 1962) Bujak et al., 1980, according to Matsuoka, 1983a. Lentin and Williams, 1989, retained Polysphaeridium zoharyi as a separate species.
Holotype: O. Wetzel, 1933, text-fig.14
Age: ?Late Cretaceous
Now Hystrichosphaeridium. Originally Hystrichosphaera, subsequently (and now) Hystrichosphaeridium, thirdly Baltisphaeridium.
Possible tax. sr. synonym of Polysphaeridium zoharyi (Rossignol, 1962) Bujak et al., 1980, according to Matsuoka, 1983a. Lentin and Williams, 1989, retained Polysphaeridium zoharyi as a separate species.
Holotype: O. Wetzel, 1933, text-fig.14
Age: ?Late Cretaceous