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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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Placoneis_paraelginensis_size_range.jpg
Species
Placoneis paraelginensis
Caption
Size range of
Placoneis paraelginensis
from samples L-1-76 and ILL-2017-008 (top two rows), MBE1286a (bottom row), and MBE1578a (bottom row, last on right).
Credit
Eric Massa and Mark Edlund