Compare Melosira normannii
Compare
Melosira varians has much smaller cells with a thinner cell wall and scattered rimoportulae. Melosira undulata has a circular inner outline of the mantle, areolae rows on the valve face are radiate rather than spiral, and the small central area lacks areolae.
LM scalebar = 10 µm
Diameter
33.9-62.9 µm
33.9-62.9 µm
Width Range
13.5-21.7 µm
13.5-21.7 µm
