- Valve is organized around a line (bilateral symmetry)
- Valves often asymmetrical to the apical axis
- Raphe system is weak, with raphe located on valve mantle and face
- Only raphid group with 2 or more rimoportulae (labiate processes)
Note: The specimen(s) pictured to the right are not from Antarctica, excepting Naviculoid example.
| Taxon Name | Basionym | synonyms | ID |
|---|---|---|---|
| Eunotia fallax | 145 | ||
| Eunotia muscicola var. muscicola | Eunotia polydentula | 146 | |
| Eunotia paludosa var. paludosa | 147 | ||
| Eunotia sp.#1 | 148 |

