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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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What are diatoms?
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Yellowstone_vcd_031_copy.jpg
Glossary Term
Spine
Caption
Valves of
Stephanodicus
have many marginal spines. The spines are solid, rather than hollow.
Credit
Marina Potapova and Sarah Spaulding