Compare

Anomoeoneis fogedii is smaller, more linear and has a higher stria density than A. sphaerophora.

LM scalebar = 10 µm
Anomoeoneis fogedii LM1 Anomoeoneis fogedii LM2 Anomoeoneis fogedii LM3 Anomoeoneis fogedii LM4 Anomoeoneis fogedii LM5 Anomoeoneis fogedii LM6
Length Range
37.4-51.5 µm
Width Range
7.7-10.7 µm
Striae in 10 µm
18-21 in the valve center, 20-23 at the ends

Also compare to

Anomoeneis sphaerophora

(Kütz.) Pfitzer 1871