A = Girdle with small (=arrow) and large areolae-like structures. To the left the flagellate Rhizomonas; B = Girdle. (Dry preparation), A=(DIC), B=(PC).
Life-form: Solitary ?
Size: Diameter = 7-35 µm
Resting spore:
Note: Its taxonomic position is questionable (Hasle & Syvertsen 1996)
Distinctive features: The coarsely structured cell wall, often with the flagellate Rhizomonas setigera
Similar species:
Distribution: Worldwide
Literature:
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas,
C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic
Press, Inc., San Diego, p. 5-385.
Pavillard, M. J. 1916b. Recherches sur les diatomées pélagiques du Golfe du Lion. Travail de l'Institut de Botanique de l'Université de Montpellier, Série mixte-Mémoire. 5: 7-62.