Diatom Image Database   Click on an image to see a larger version
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Actinocyclus fulvus (W. Smith) Ralfs in PritchardActinocyclus normanii (Gregory) HustedtActinocyclus octonarius EhrenbergActinocyclus octonarius var. ralfsii (W. Smith) Hendey
Actinocyclus octonarius var. ralfsii (W. Smith) HendeyActinocyclus octonarius var. ralfsii (W. Smith) HendeyActinocyclus octonarius var. sparsus (Gregory) HendeyActinocyclus octonarius var. tenellus (Brébisson) Hendey