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This species is similar to T. compressa, a widespread marine to brackish water species. Tryblionella compressa has a more distinct longitudinal fold and weakly apiculate or sub-rostrate apices. Tryblionella hyalina has a broad, hyaline area in the valve center.

LM scalebar = 10 µm
Tryblionella Granulata Lm6 Tryblionella Granulata Lm2 Tryblionella Granulata Lm3 Tryblionella Granulata Lm1 Tryblionella Granulata Lm5 Tryblionella Granulata Lm4 Tryblionella Granulata Lm7
Length Range
21-46 µm
Width Range
11-18 µm
Striae in 10 µm
6-8

Also compare to

Tryblionella compressa

(J.W.Bailey) Poulin in Poulin et al. 1990

Tryblionella hyalina

(Amossé) Ohtsuka 2005

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