Furey, Lowe and Johansen 2011
Eunotia dorofeyukae and E. implicata are wider. The ventral margin of E. circumborealis is more concave, and the dorsal undulations are more narrow.
Nörpel, Lange-Bert. and Alles
BioData Reference Krammer and Lange-Bertalot 2/3 Pl 143 Fig 1-9A
Lange-Bert. and Nörpel
Lange-Bert. and Kulikovskiy