Compare Eunotia spatulata
Compare
Valves of Eunotia eurycephala are shorter (70–130 μm) with less inflated apices (3.5–4.5 μm wide). Eunotia eurycephaloides, though similar in outline, has arcuate and shorter valves (60–150 μm) with much less expanded apices (3.0–4.0 μm wide), and lower stria density (15–18 in 10 μm).
LM scalebar = 10 µm
Length Range
159–272 µm
159–272 µm
Width Range
3.3–4.0 μm in the center, at apices 5.3–6.4 µm
3.3–4.0 μm in the center, at apices 5.3–6.4 µm
Striae in 10 µm
18–21
18–21