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Staurosira construens possesses cruciform valves, but with narrower striae. Costae are wider than the striae, spines are hollow, and girdle bands are open.

LM scalebar = 10 µm
Staurosirella leptostauron LM1 Staurosirella leptostauron LM2 Staurosirella leptostauron LM4 Staurosirella leptostauron LM5 Staurosirella leptostauron LM3
Length Range
7-33 µm
Width Range
7-19 µm
Striae in 10 µm
5-11

Staurosira construens

Ehrenb. 1843

Staurosira construens LM4 Staurosira construens LM1 Staurosira construens LM6 Staurosira construens LM3 Staurosira construens LM2 Staurosira construens LM5
Length Range
6-15 µm
Width Range
5-9 µm
Striae in 10 µm
14-16

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