Compare Pinnularia kwacksii
Pinnularia transvera, P neomajor, and P. ruttneri are all larger species, with a lower stria density.
Pinnularia guadalupensis is smaller and has a more narrow axial area.
LM scalebar = 10 µm
Length Range
93-154 µm
93-154 µm
Width Range
11-14 µm
11-14 µm
Striae in 10 µm
12-13
12-13
Length Range
168.6-224.5 µm
168.6-224.5 µm
Width Range
16-19 µm
16-19 µm
Striae in 10 µm
8-10
8-10
Also compare to
Pinnularia ruttneri
BioData Reference
Krammer 2000 Pl 183 Fig 4