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Baltisphaeridium paucifurcatum
Baltisphaeridium paucifurcatum, (Cookson and Eisenack, 1961), Downie and Sarjeant, 1965
Now Hystrichosphaeridium. Originally (and now) Hystrichosphaeridium, subsequently Baltisphaeridium. Stover and Evitt, 1978 retained this species in Hystrichosphaeridium Deflandre, 1937.
Holotype: Cookson and Eisenack, 1961, pl.2, fig.15
Age: Eocene
Now Hystrichosphaeridium. Originally (and now) Hystrichosphaeridium, subsequently Baltisphaeridium. Stover and Evitt, 1978 retained this species in Hystrichosphaeridium Deflandre, 1937.
Holotype: Cookson and Eisenack, 1961, pl.2, fig.15
Age: Eocene