Spaulding, S.,
Metzeltin, D.
(2011).
Boreozonacola.
In Diatoms of North America.
Retrieved November 03, 2024, from https://diatoms.org/genera/boreozonacola
Symmetric Biraphid
Boreozonacola
Valves linear, often with triundulate margins
Areolae coarse
Central area oval to round
Valves of Boreozonacola are linear, often with tumid central and subapical margins. The raphe is lateral. The proximal raphe ends are simple, curving to the primary side of the valve. The distal raphe ends curve to the secondary side of the valve. The axial area is narrow and linear. The central area is round. Striae are radiate and are...