Compare

LM scalebar = 10 µm
Cymbellafalsa diluviana MARL105800 1 Cymbellafalsa diluviana MARL105800 5 Cymbellafalsa diluviana MARL105800 2 Cymbellafalsa diluviana MARL105800 4 Cymbellafalsa diluviana MARL105800 7 Cymbellafalsa diluviana MARL105800 3 Cymbellafalsa diluviana MARL105800 6
Length Range
11.9-27.7 µm
Width Range
5.3-7.2 µm
Striae in 10 µm
12-17

Cymbopleura hybrida

(Grunow) Krammer 2003

Cymbopleura hybrida LM1 Cymbopleura hybrida LM2 Cymbopleura hybrida LM3 Cymbopleura hybrida LM4 Cymbopleura hybrida LM5 Cymbopleura hybrida LM6 Cymbopleura hybrida LM7
Length Range
29.7-48.3 µm
Width Range
6.9-8.1 µm
Striae in 10 µm
12-14

Cymbopleura subaequalis

(Grunow) Krammer 2003

Cymbosubaequalis3 Cymbosubaequalis4 Cymbosubaequalis5 Cymbosubaequalis6 Cymbosubaequalis7
Length Range
23-47 µm
Width Range
7.1-9.4 µm
Striae in 10 µm
12-16 at the valve center, 16-20 near the ends

Also compare to

Cymbella hybrida var. lanceolata

BioData Reference
Krammer and Lange-Bertalot 2/1 Pl 145 Fig 4-5