Compare Cymbella janischii
Cymbella janischii can be distinguished from C. mexicana by its larger size, narrower spacing between striae, long pointed areolae forming the central area and distinct apical pore fields.
LM scalebar = 10 µm
Length Range
130-360 µm
130-360 µm
Width Range
35-68 µm
35-68 µm
Striae in 10 µm
6-8
6-8
Length Range
80-155 µm
80-155 µm
Width Range
26-33 µm
26-33 µm
Striae in 10 µm
6-8 in the central valve, 7-10 at the ends
6-8 in the central valve, 7-10 at the ends