Leptocylindrus mediterraneus (H. Peragallo) Hasle 1975

A = Girdle with small (=arrow) and large areolae-like structures. To the left the flagellate Rhizomonas; B = Girdle. (Dry preparation), A=(DIC), B=(PC).

Synonym(s): Lauderia mediterranea H. Peragallo 1888 , Dactyliosolen mediterraneus (H. Pergallo) H. Peragallo 1892

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

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.

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Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute


Department of Marine Ecology, Göteborg University, Sweden