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Diatoms of North America
Practitioners
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Araphid
Eunotioid
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Yellowstone_vcd_026.jpg
Glossary Term
Cribrum
Caption
View of valve interior of
Stephanodiscus yellowstonensis
showing areolae occluded by domed cribra (SEM). Note that the cribra are attached by their entire periphery. Diameter of pores ~ 16 nm. Scale bar = 1 µm.
Credit
Sarah Spaulding
