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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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Glossary
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What are diatoms?
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AlancAp_InCircle_2b_ed.jpg
Species
Planothidium apiculatum
Type Image
Holotype
Slide Number
ANSP GC2190
Name
Shoshola Falls, Pennsylvania
Notes
Circled specimen 2 from the holotype slide, raphe valve
Scalebar = 10 µm
