Schrader, H.-J. (1973). Stratigraphic distribution of marine species of the diatom Denticula in Neogene North Pacific sediments. Micropaleontology, 19(4): 417-430, pl. 1
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Schrader, H.-J.
1973
Stratigraphic distribution of marine species of the diatom Denticula in Neogene North Pacific sediments