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Kobayasiella okadae has distinct longitudinal lines on each side axial area.

Kobayasiella subtilissima has smaller valves, a smaller length to width ratio, broader apices and more widely spaced striae around the central area.

LM scalebar = 10 µm
Kobaymandu1 Kobaymandu2 Kobaymandu3 Kobaymandu4 Kobaymandu5 Kobaymandu6
Length Range
31.8-35.5 µm
Width Range
5.8-6.7 µm
Striae in 10 µm
about 40

Kobayasiella okadae

(Skvortzov) Lange-Bert. 1999

Kobayasiella okadae LM1 Kobayasiella okadae LM2 Kobayasiella okadae LM3 Kobayasiella okadae LM4 Kobayasiella okadae LM5
Length Range
31-37 µm
Width Range
7-9 µm
Striae in 10 µm
22-24 (middle), 36-38 (ends)

Kobayasiella subtilissima

(Cleve) Lange-Bert. 1999

Ksub1 Ksub2 Ksub3 Ksub4 Ksub5
Length Range
23-27 µm
Width Range
5.1-6.0 µm
Striae in 10 µm
36-40, 30-36 in center

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