Hystrichosphaeridium bohemicum Eisenack 1934 ex Eisenack, 1938

Now Baltisphaeridium bohemicum. Originally Hystrichosphaeridium bohemicum, subsequently (and now) Baltisphaeridium bohemicum. See also Ovum hispidum ssp. bohemicum (combination not validly published).
The name Ovum hispidum subsp. bohemicum was not validly published in Eisenack (1934) since the specific name Ovum hispidum was not validly published.

Holotype: Eisenack, 1934, pl.5, fig.31
Age: Silurian