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Name derivation:
“Ship with a cross” – cross (stauro-), neis is derived from naus; Latin navis: ship (Silva 1980)
Classification:
Stauroneis Ehrenberg 1843; 167 of 844 species descriptions are currently accepted taxonomically (Guiry and Guiry 2013). Order Naviculales; Family Stauroneidaceae
Morphology:
Found in single cells or in colonies Valve outline can be elliptical or linear with bluntly rounded poles. The valve face is flat with two longitudinal ribs and in the center form an expanded thickened central nodule that can appear bow tie in shape. In some cells striations are visible and form the stauros shape in the center of the cell.
Similar genera:
Habitat:
Found in both marine and freshwater habitats.
References:
Guiry, M.D. in Guiry, M.D. and G.M. Guiry 2012. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 10 December 2012. Round, F. E., Crawford, R. M., Mann, D. G. 1990. The Diatoms. Cambridge University Press. New York, NY. Silva, P.C. 1980. Names of classes and genera of living algae. Balm, Schellema & Holkema, Utrecht dr. W. junk b.v., Publishers, The Hague. Wehr, J., Sheath, R. 2003. Freshwater Algae of North America Ecology and Classification. Academis Press. San Diego, CA.