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Pinnularia subanglica and P. saprophila have straight sides and comparatively narrow axial areas.

LM scalebar = 10 µm
Pinnularia brauniana LM2 Pinnularia brauniana LM3 Pinnularia brauniana LM1 Pinnularia brauniana LM6 Pinnularia brauniana LM5 Pinnularia brauniana LM4
Length Range
35.7-74.4 µm
Width Range
7.1-10.4 µm
Striae in 10 µm
9-12

Pinnularia subanglica

Krammer 2000

Pinnularia subanglica ANSP GC57554 07 Pinnularia subanglica ANSP GC57554 06 Pinnularia subanglica ANSP GC57554 05 Pinnularia subanglica ANSP GC57554 04 Pinnularia subanglica ANSP GC57554 03 Pinnularia subanglica ANSP GC57554 01 Pinnularia subanglica ANSP GC57554 02
Length Range
27.9-39.9 µm
Width Range
6.3-7.7 µm
Striae in 10 µm
11-14

Pinnularia saprophila

Lange-Bert., H.Kobayasi and Krammer 2000

Pinnularia saprophila LM1 Pinnularia saprophila LM2 Pinnularia saprophila LM3 Pinnularia saprophila LM4 Pinnularia saprophila LM5 Pinnularia saprophila LM6 Pinnularia saprophila LM7
Length Range
22-45 µm
Width Range
5.2-6.7 µm
Striae in 10 µm
10-12

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