Diatoms of North AmericaDiatoms of North America
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Compare Anomoeoneis costata

(Kützing) Hustedt 1959

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Anomoeoneis sculpta, A. sphaerophora and A. capitata have protracted apices. Other species of North American Anomoeoneis are smaller, with valves less than 20 µm wide.

LM scalebar = 10 µm
Anomoeoneis Costata LM1 Anomoeoneis Costata LM3 Anomoeoneis Costata LM2 Anomoeoneis Costata LM4 Anomoeoneis Costata LM5 Anomoeoneis Costata LM6
Length Range
62-107 µm µm
Width Range
20-29 µm µm
Striae in 10 µm
13-15

Anomoeoneis sphaerophora

Pfitzer 1871

Anomoeoneis sphaerophora LM1 Anomoeoneis sphaerophora LM2 Anomoeoneis sphaerophora LM3 Anomoeoneis sphaerophora LM4 Anomoeoneis sphaerophora LM5 Anomoeoneis Sphaerophora LM9 Anomoeoneis sphaerophora LM7
Length Range
43-83 µm
Width Range
16.4-22.0 µm
Striae in 10 µm
16-18

Anomoeoneis sculpta

(Ehrenb.) P.T. Cleve 1895

Anomoeoneis Sculpta LM1 Anomoeoneis Sculpta LM2 Anomoeoneis Sculpta LM3 Anomoeoneis Sculpta LM4 Anomoeoneis Sculpta LM5 Anomoeoneis Sculpta LM6 Anomoeoneis Sculpta LM7
Length Range
70-144 µm
Width Range
32-44 µm
Striae in 10 µm
10-15

Anomoeoneis capitata

Bahls 2017

Anomoeoneis capitata LM1 Anomoeoneis capitata LM2 Anomoeoneis capitata LM3 Anomoeoneis capitata LM4 Anomoeoneis capitata LM5 Anomoeoneis capitata LM6
Length Range
37-46 µm
Width Range
12.3-14.3 µm
Striae in 10 µm
17-19