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Kobayasiella okadae has linear-lanceolate valves, capitate apices, and longitudinal lines. Kobayasiella subtilissima has linear-lanceolate valves and capitate apices.

LM scalebar = 10 µm
Kobayasiella jaagii LM1 Kobayasiella jaagii LM2 Kobayasiella jaagii LM3 Kobayasiella jaagii LM4 Kobayasiella jaagii LM5
Length Range
29-32 µm
Width Range
5.8-6.6 µm
Striae in 10 µm
30-35 in the center, >40 at the ends

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