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Compare Amphora minutissima

W.Sm. 1953

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Amphora minutissima is distinguished from A. pediculus by the arched raphe, and the tumid ventral margin with cuneate ventrally bent valve ends.

LM scalebar = 10 µm
Amphora minutissima LM1 Amphora minutissima LM3 Amphora minutissima LM5 Amphora minutissima LM2 Amphora minutissima LM4
Length Range
13-20 µm
Width Range
3.5-5 µm
Striae in 10 µm
17-18

Amphora pediculus

(Kütz.) Grunow in Schmidt 1875

Amphora pediculus LM8 Amphora pediculus LM4 Amphora pediculus LM1 Amphora pediculus LM7 Amphora pediculus LM2 Amphora pediculus LM5
Length Range
6-16 µm
Width Range
2.5-4 µm
Striae in 10 µm
18-24

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