Diatoms of North AmericaDiatoms of North America
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Compare Sellaphora bacillum

(Ehrenb.) D.G.Mann 1989

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This species is smaller, has smaller axial area and possesses a conopeum, in comparison to S. americana. It is longer than S. pupula and the t-shaped thickenings near the apex are less distinct.

LM scalebar = 10 µm
Sellaphora bacillum LM4 Sellaphora bacillum LM6 Sellaphora bacillum LM3 Sellaphora bacillum LM5 Sellaphora bacillum LM2 Sellaphora bacillum LM1
Length Range
30-45 µm
Width Range
9-10 µm
Striae in 10 µm
12-14

Also compare to

Sellaphora americana

(Ehrenb.) D.G.Mann 1989

Sellaphora pupula

(Kütz.) Mereschk. 1902

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