Epithemia adnata has finer striae (12-14 in 10 μm) than E. turgida (8-10 in 10 μm). In addition, E. adnata has 3-7 striae between adjacent costae, while E. turgida has 2-3 striae between adjacent costae. The valves of E. reichelti are more triangular in shape and the raphe canal is positioned on the dorsal margin.

LM scalebar = 10 µm
Length Range
32-70 µm
Width Range
7.5-9.7 µm
Striae in 10 µm
12-14
Epad Iho44070 1Edited
Epad Iho44070 6Edited
Epad Iho44070 3Edited
Epad Nrsa1180 6Edited
Epad Iho44070 7Edited
Epad Iho44070 4Edited
Epad Iho44070 1Edited Epad Iho44070 6Edited Epad Iho44070 3Edited Epad Nrsa1180 6Edited Epad Iho44070 7Edited Epad Iho44070 4Edited

Epithemia turgida

(Ehrenb.) Kütz. 1844

Length Range
45-166 µm
Width Range
13.5-17 µm
Striae in 10 µm
8-10
Epithemia turgida LM5 Epithemia turgida LM1 Epithemia turgida LM4 Epithemia turgida LM2 Epithemia turgida LM3 Epithemia turgida LM6

Epithemia reichelti

Fricke in Schmidt et al. 1904

Length Range
13-41 µm
Width Range
5.2-9 µm
Striae in 10 µm
14-15
Er8 Er5 Er1 Er6 Er4 Er3 Er2