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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
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What are diatoms?
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Citation
Reid, G. and Williams, D.M. (2010) Notes on the genus
Semiorbis
Patrick with a description of a new species
Diatom Research 25: 355-365
Genera
Semiorbis
Species
Semiorbis catillifera
Semiorbis hemicyclus
Semiorbis rotundus