Diatoms of North AmericaDiatoms of North America
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Compare Tryblionella brunoi

(Lange-Bert.) Cantonati and Lange-Bert. 2017

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The striae of N. angustata are more dense and the valve face lacks longitudinal undulations. Tryblionella hungarica is constricted in the center and has a higher stria density.

LM scalebar = 10 µm
Tryblionella brunoi LM7 Tryblionella brunoi LM6 Tryblionella brunoi LM5 Tryblionella brunoi LM4 Tryblionella brunoi LM3 Tryblionella brunoi LM2 Tryblionella brunoi LM1
Length Range
50.6-116.3 µm
Width Range
8-10.7 µm
Striae in 10 µm
11-12

Nitzschia angustata

W.Sm. 1853

Nitzschia angustata LM1 Nitzschia angustata LM5 Nitzschia angustata LM7 Nitzschia angustata LM3 Nitzschia angustata LM2 Nitzschia angustata LM11
Length Range
30-88 µm
Width Range
6-7.5 µm
Striae in 10 µm
15-17

Tryblionella hungarica

(Grunow) Freng. 1942

Tryblionella hungarica LM1 Tryblionella hungarica LM5 Tryblionella hungarica LM3 Tryblionella hungarica LM2 Tryblionella hungarica LM4 Tryblionella hungarica LM2 Tryblionella hungarica LM1
Length Range
35-100 µm
Width Range
5-9 µm
Striae in 10 µm
16-19