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Click on images for larger format |
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Name derivation: |
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Classification: |
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Trigonium Cleve 1867; 4 of 53 species descriptions are currently accepted taxonomically (Guiry and Guiry 2013). Order Biddulphiales; Family Biddulphiaceae
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Morphology: |
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Zig-zag colonies of triangular to multi-angular cells in valve view. Several discoid chloroplasts. [Images of colonies or pseudofilaments are currently unavailable.]
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Similar genera: |
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Triceratium, a synonym according to Simonsen (1974). |
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Habitat: |
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Attached to macro-marine protists (‘seaweeds’). Widespread, most abundant in warm ocean areas. |
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References: |
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Guiry. M.D. and G.M. Guiry 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 21 Dec 2013. |
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