Compare

Eunotia dorofeyukae and E. implicata are wider. The ventral margin of E. circumborealis is more concave, and the dorsal undulations are more narrow.

LM scalebar = 10 µm
Eunotia boomsma LM7 Eunotia boomsma LM5 Eunotia boomsma LM3 Eunotia boomsma LM1 Eunotia boomsma LM2 Eunotia boomsma LM6 Eunotia boomsma LM4
Length Range
27-45 µm
Width Range
5.8-6.9 µm
Striae in 10 µm
12-13 in the center valve

Also compare to

Eunotia implicata

Nörpel, Lange-Bert. and Alles

BioData Reference
Krammer and Lange-Bertalot 2/3 Pl 143 Fig 1-9A

Eunotia circumborealis

Lange-Bert. and Nörpel

Eunotia dorofeyukae

Lange-Bert. and Kulikovskiy