Compare

Cymbella alpestris is larger, up to 70 ┬Ám, with a lower stria and areola density. Cymbella blinni has 1-5 ventral stigmata.

LM scalebar = 10 µm
Cymbella hantzschiana LM2 Cymbella hantzschiana LM3 Cymbella hantzschiana LM1 Cymbella hantzschiana LM4 Cymbella hantzschiana LM5 Cymbella hantzschiana LM6 Cymbella hantzschiana LM7
Length Range
25.8-46.6 µm
Width Range
7.6-11.2 µm
Striae in 10 µm
9-12 in the valve center, up to 14 at the apices

Cymbella alpestris

Krammer 2002

Cymbella alpestris LM1 Cymbella alpestris LM2 Cymbella alpestris LM3 Cymbella alpestris LM4 Cymbella alpestris LM5 Cymbella alpestris LM6 Cymbella alpestris LM7
Length Range
40.1-65.1 µm
Width Range
9.0-11.7 µm
Striae in 10 µm
8-10 at the valve center, up to 12 at the apices

Cymbella blinnii

Bahls 2014

Cymbella Blinnii1 Cymbella Sp 493501 2 Cymbella Blinnii3 Cymbella Blinnii4 Cymbella Blinnii5 Cymbella Blinnii6 Cymbella Blinnii7
Length Range
22.4-54.4 µm
Width Range
7.6-11.4 µm
Striae in 10 µm
10-14 at the valve center, 14-15 near the apices