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''Bacteriastrum'' is a genus of
Encyclopedia of Life *'' Bacteriastrum comosum'' Pavilliard *'' Bacteriastrum delicatulum'' Cleve *'' Bacteriastrum elegans'' *'' Bacteriastrum elongatum'' Cleve *'' Bacteriastrum furcatum'' Shadbolt *'' Bacteriastrum hyalinum'' Lauder *'' Bacteriastrum mediterraneum'' *'' Bacteriastrum parallelum'' D. Sarno, A. Zingone & D. Marino *'' Bacteriastrum solitarium'' Mangin *'' Bacteriastrum varians''
Algaebase
{{Taxonbar, from=Q4840004 Coscinodiscophyceae genera
diatoms
A diatom (New Latin, Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group com ...
in family Chaetocerotaceae
Chaetocerotaceae is a diatom family ( Bacillariophyta). This family comprise the three genera ''Attheya'' T. West, '' Bacteriastrum'' Shadbolt and ''Chaetoceros'' Ehrenberg. ''Chaetoceros'' is perhaps the largest and most species rich genus of m ...
.Tomas, C. R., Hasle G. R., Syvertsen, E. E., Steidinger, K. A., Tangen, K., Throndsen, J., Heimdal, B. R., (1997). ''Identifying Marine Phytoplankton'', Academic Press. There are more than 30 described species in genus ''Bacteriastrum'', but many of these are not currently accepted, and new species are still added to the genus.Sarno, D., Zingone, A. & Marino, D. (1997). ''Bacteriastrum parallelum'' sp. nov., a new diatom from the Gulf of Naples, and new observations on ''B. furcatum'' (Chaetocerotaceae, Bacillariophyta). Phycologia 36: 257-266 The type species for the genus is '' Bacteriastrum furcatum'' Shadbolt.
Description
''Bacteriastrum'' is a widely distributed marine, planktonic genus. This genus is often associated with ''Chaetoceros
''Chaetoceros'' is probably the largest genus of marine planktonic diatoms with approximately 400 species described, although many of these descriptions are no longer valid. It is often very difficult to distinguish between different ''Chaet ...
'' but differs in radial symmetry and fenestration of setae. The colonies tend to lie in girdle view, and the cells are separated by the curvature of the basal part of the setae, leaving a small gap between the cells. The cells are cylindrical and linked to form filaments. Each cell has several long, radiating setae which may be simple or bifurcate (branched), the setae from adjacent cells are fused. The plastids are discoid. At least one species, '' B. solitarium'', exists as single cells.Round, F. E. and Crawford, R. M. (1990). ''The Diatoms. Biology and Morphology of the Genera'', Cambridge University Press, UK.
Species
*'' Bacteriastrum biconicum''Encyclopedia of Life *'' Bacteriastrum comosum'' Pavilliard *'' Bacteriastrum delicatulum'' Cleve *'' Bacteriastrum elegans'' *'' Bacteriastrum elongatum'' Cleve *'' Bacteriastrum furcatum'' Shadbolt *'' Bacteriastrum hyalinum'' Lauder *'' Bacteriastrum mediterraneum'' *'' Bacteriastrum parallelum'' D. Sarno, A. Zingone & D. Marino *'' Bacteriastrum solitarium'' Mangin *'' Bacteriastrum varians''
See also
*'' Attheya'' *''Chaetoceros
''Chaetoceros'' is probably the largest genus of marine planktonic diatoms with approximately 400 species described, although many of these descriptions are no longer valid. It is often very difficult to distinguish between different ''Chaet ...
''
References
Further reading
External links
Algaebase
{{Taxonbar, from=Q4840004 Coscinodiscophyceae genera