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Ovum hispidum ssp. castanea
Ovum hispidum ssp. castaneum Eisenack, 1934
Name not validly published since the specific name Ovum hispidum is not validly published.
Now Baltisphaeridium castaneum (an acritarch species). Originally Ovum hispidum ssp. castaneum (name not validly published), subsequently Hystrichosphaeridium castaneum, thirdly (and now) Baltisphaeridium castaneum (an acritarch species).
Holotype: Eisenack, 1934, pl.5, fig.32
Age: Silurian
Name not validly published since the specific name Ovum hispidum is not validly published.
Now Baltisphaeridium castaneum (an acritarch species). Originally Ovum hispidum ssp. castaneum (name not validly published), subsequently Hystrichosphaeridium castaneum, thirdly (and now) Baltisphaeridium castaneum (an acritarch species).
Holotype: Eisenack, 1934, pl.5, fig.32
Age: Silurian