Bacillaria

Bacillaria
Bacillaria paxillifer
Scientific classification
Kingdom:	Plantae
Division:	Bacillariophyta
Class:	Bacillariophyceae
Order:	Bacillariales
Family:	Bacillariaceae
Genus:	Bacillaria J.F. Gmelin (1791)

Bacillaria is a diatom genus in the Bacillariaceae family.

Photosynthetic. Reproduces sexually and asexually.

Cells are elongated and motile, sliding along each other in stacked in Colony (biology). Cells are rectangular in girdle view (when in colonies), and lanceolate in valve view. Raphe system is slightly keeled and runs from pole to pole. Two large plate-like Chloroplast are present, one near each end of the cell. The Nucleus is located centrally. Cells are yellow-brown in colour. Fibulae are strong, and the valve surface is covered in transverse parallel Stretch marks.

Length (apical axis): 70 - 200 μm

Width ([1] trans-apical axis): 5 - 8 μm

Height ([2] Pervalvar axis): 5 - 10 μm

Fibulae: 7 - 9 in 10 μm

Striae: 20 - 21 in 10 μm

Benthic zone, marine and brackish/freshwater species, but is also commonly found in Plankton.

Phytoplankton Encyclopedia Project

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