Diatoms of North AmericaDiatoms of North America
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Compare Kobayasiella okadae

(Skvortzov) Lange-Bert. 1999

Compare

Kobayasiella okadae may be distinguished from K. subtilissima, K. parasubtilissima, and K. micropunctata by its wider valves and its two distinct longitudinal hyaline lines.

LM scalebar = 10 µm
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 micropunctata

(H.Germ.) Lange-Bert. 1999

Kmicro1 Kmicro2 Kmicro3 Kmicro4 Kmicro5 Kmicro6 Kmicro7
Length Range
19-23 µm
Width Range
3.5-4.3 µm
Striae in 10 µm
difficult to resolve in LM

Kobayasiella parasubtilissima

(H.Kobayasi and Nagumo) Lange-Bert. 1999

Kobayasiella parasubtilissima LM1 Kobayasiella parasubtilissima LM2 Kobayasiella parasubtilissima LM3 Kobayasiella parasubtilissima LM4 Kobayasiella parasubtilissima LM5 Kobayasiella parasubtilissima LM6
Length Range
25-42 µm
Width Range
4.0-4.7 µm
Striae in 10 µm
cannot be resolved in LM

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