-
Category
-
Class
Bacillariophyceae
-
Order
Eunotiales
-
Family
Eunotiaceae
Sorted from smallest to largest by maximum length
Loading...
There are 0 results that match your criteria
Loading...
There are 0 results that match your criteria
Citations
Krammer, K. and Lange-Bertalot, H. (1991) Bacillariophyceae. 3. Teil: Centrales, Fragilariaceae, Eunotiaceae In Ettl, H., Gerloff, J., Heynig, H. & Mollenhauer, D. (Eds.). Süsswasserflora von Mitteleuropa. 2(3): 1-576. Gustav Fisher Verlag, Stuttgart, Germany.
-
-
-
Links
-
Index Nominum Algarum
-
CAS
Edlund, M, and
Burge, D
.
(2015).
Semiorbis.
In Diatoms of North America.
Retrieved February 21, 2019, from https://diatoms.org/genera/semiorbis
Eunotioid
Semiorbis
- Valves strongly lunate
- Valve face with transapical external costae
- Spines present on the dorsal and ventral ends of costae
Valves are strongly lunate, with thick, external, transverse costae between striae. The costae often terminate in spines at the dorsal and ventral margins. A small, greatly reduced raphe is present at the poles. The raphe is typically not visible in LM. The proximal raphe ends are on the ventral margin, while the terminal fissures curve...