Pleurosigma

Pleu`ro`sig´ma


n.1.(Bot.) A genus of diatoms of elongated elliptical shape, but having the sides slightly curved in the form of a letter S. Pleurosigma angulatum has very fine striations, and is a favorite object for testing the high powers of microscopes.
References in periodicals archive ?
16 /PRNewswire/ -- With the appearance of gracefully swooping beams of light or a colorful array of feathers, a dazzling photo of Pleurosigma (marine diatoms) has won the 2008 Nikon Small World Photomicrography Competition.
2002) have shown the importance of diatoms in the diet of scallops (many Melosira (Paralia), Navicula, Pleurosigma, Synedra, Licmophora and Cocconeis) and other bivalves (Marques Mendes 1973, Leonardi et al.
3 and Pleurosigma salinarum were shown in high values which was similar to that which was reported by Palmer [26], Whitmore [49], Gomez [6], Guttinger and Straub [7], Juttner et al.