Diatoms of North AmericaDiatoms of North America
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Compare Iconella bifrons

(Ehrenb.) Ruck and Nakov 2016

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Iconella splendida has porcae of similar size and density, but is heteropolar and lacks spines.

Iconella helvetica is smaller (20-120 μm in length).

LM scalebar = 10 µm
Iconella bifrons LM1 Iconella bifrons LM3 Iconella bifrons LM2 Iconella bifrons LM4 Iconella bifrons LM7 Iconella bifrons LM6 Iconella bifrons LM5
Length Range
104-147 µm
Width Range
46-62 µm

Also compare to

Iconella splendida

(Ehrenb.) Ruck and Nakov

BioData Reference
Krammer and Lange-Bertalot 2/2 Pl 158 Fig 1-3 Pl 159 Fig 1-6 Pl 160 Fig

Iconella helvetica

(Brun) Ruck and Nakov 2016