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Compare Tryblionella lanceola

Grunow 1878

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Tryblionella apiculata also has parallel, uniseriate striae. However, T. apiculata valves differ by their panduriform shape and less coarse striae. Valves of T. granulata are much broader and the striae are very coarse.

LM scalebar = 10 µm
Tryblionella Lanceola LM4 Tryblionella Lanceola LM5 Tryblionella Lanceola LM6 Tryblionella Lanceola LM1 Tryblionella Lanceola LM3 Tryblionella Lanceola LM2
Length Range
26-45 µm
Width Range
8-8.5 µm
Striae in 10 µm
9-10

Tryblionella apiculata

W.Greg. 1857

Tryblionella apiculata LM1 Bw8Axial Area Valve Ends Bw2Axial Area Bw 1 Keel Raphe 1Fib Per Str Bw10Keel Raphe
Length Range
39-47 µm
Width Range
5-7 µm
Striae in 10 µm
15-17

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