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Compare Sellaphora moesta

(Temp. and H.Perag.) T.Ohtsuka 2015

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Sellaphora americana and S. alastos have more narrow, linear valves, with conopea that cover less of the valve face.

LM scalebar = 10 µm
Sellaphora moesta LM2 Sellaphora moesta LM3 Sellaphora moesta LM4 Sellaphora moesta LM5 Sellaphora moesta LM7 Sellaphora moesta LM6 Sellaphora moesta LM1
Length Range
56.6-130.7 µm
Width Range
25-27 at the valve center, 29-30 at the widest µm
Striae in 10 µm
16-17

Sellaphora americana

(Ehrenb.) D.G.Mann 1989

Sellaphora americana LM5 Sellaphora americana LM4 Sellaphora americana LM8 Sellaphora americana LM7 Sellaphora americana LM6 Sellaphora americana LM3 Sellaphora americana LM9
Length Range
58.3-93.4 µm
Width Range
14.6-19.1 µm
Striae in 10 µm
16-18 midway between valve center and apex

Sellaphora alastos

(M.H.Hohn and Hellerman) Lange-Bert. and Metzeltin 1996

Sellaphora alastos LM1 Sellaphora alastos LM2 Sellaphora alastos LM3 Sellaphora alastos LM4 Sellaphora alastos LM5 Sellaphora alastos LM6 Sellaphora alastos LM7
Length Range
41.0-82.0 µm
Width Range
11.0-17.0 µm
Striae in 10 µm
17-19 midway between valve center and apex

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