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Encyonema auerswaldii has a smaller central area, a higher stria density (10-15 in 10 ┬Ám), and the distal raphe extends to the valve margin.

LM scalebar = 10 µm
Encyonema leibleinii LM4 Encyonema leibleinii LM3 Encyonema leibleinii LM6 Encyonema leibleinii LM2 Encyonema leibleinii LM1 Encyonema leibleinii LM5
Length Range
40-65 µm
Width Range
16-23 µm
Striae in 10 µm
7-10

Encyonema auerswaldii

Rabenh. 1853

Encyonema auerswaldii LM5 Encyonema auerswaldii LM3 Encyonema auerswaldii LM1 Encyonema auerswaldii LM4 Encyonema auerswaldii LM2
Length Range
22.6-32.9 µm
Width Range
9-10.3 µm
Striae in 10 µm
10-12 in the center of the valve, 12-15 near the ends