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You are here: Home / Virtual collections / Paleontology / Micropaleontology / Acritarcha / Baltisphaeridium longispinosum Eisenack, 1931 / Fig. 4 - Baltisphaeridium longispinosum (Eisenack). —175,50 m. b 422.

Fig. 4 - Baltisphaeridium longispinosum (Eisenack). —175,50 m. b 422.

x 500