Boreozonacola hustedtii is triundulate.

LM scalebar = 10 µm
Length Range
20-47 µm
Width Range
6.3-8.2 µm
Striae in 10 µm
18-20
Boreozonacola olympica LM1
Boreozonacola olympica LM2
Boreozonacola olympica LM3
Boreozonacola olympica LM4
Boreozonacola olympica LM5
Boreozonacola olympica LM6
Boreozonacola olympica LM1 Boreozonacola olympica LM2 Boreozonacola olympica LM3 Boreozonacola olympica LM4 Boreozonacola olympica LM5 Boreozonacola olympica LM6

Boreozonacola hustedtii

Lange-Bert., Kulikovskiy and Witkowski 2010

Length Range
21-46 µm
Width Range
5.4-9.4 µm
Striae in 10 µm
18-21
Boreozonacola hustedtii LM1 Boreozonacola hustedtii LM2 Boreozonacola hustedtii LM3 Boreozonacola hustedtii LM4 Boreozonacola hustedtii LM5

Also compare to

Navicula natchikae

J.B.Petersen 1946