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Click on images for larger format |
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Name derivation: |
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“True curver” – True (Eu-) curver (campia) |
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Classification: |
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Eucampia Ehrenberg 1839; 5 of 27 species descriptions are currently accepted taxonomically (Guiry and Guiry 2013). Order Hemiaulales; Family Hemiaulaceae
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Morphology: |
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Cells aligned with wider edges forming the outside of a coiled
filament. Valve faces concave as seen
in girdle view. |
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Similar genera: |
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Climacodium has longer ‘horns’ (elevations in contact with adjacent cells
in a filament). Hemiaulus has spines. |
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Habitat:
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Marine.
At least one species (E. zodiacus) is common at all latitudes. |
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References: |
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Ehrenberg, C.G. 1839. Über jetzt wirklich noch zahlreich lebende Thier-Arten der Kreideformation der Erde. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königl. Preuß. Akademie der Wissenschaften zu Berlin 1839: 152-159. 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. Graham L. and L. Wilcox 2000. Algae. Prentice-Hall (699 pp). Hasle, G. and E.E. Syvertsen 1997. Marine Diatoms. In: Identifying Marine Phytoplankton (C.R.
Tomas, Editor). Academic Press (858 pp). |
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