Epithemia turgida has coarser striae (8-10 in 10 μm) than E. adnata (12-14 in 10 μm). In addition, E. turgida has 2-3 striae between adjacent costae and E. adnata has 3-7 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
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 turgida LM5 Epithemia turgida LM1 Epithemia turgida LM4 Epithemia turgida LM2 Epithemia turgida LM3 Epithemia turgida LM6

Epithemia adnata

(Kütz.) Bréb. 1838

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

Epithemia reicheltii

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