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Home / Bacillariophyceae / Centric / Unicells / Actinoptychus |
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Name derivation: |
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‘Cyclic ray’ (Gr.) – Actino- ray or beam; cyclus – cyclic |
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Classification: |
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Actinoptychus Ehrenberg, 1843. Of 315 described species descriptions, currently 22 have been accepted taxonomically. Order Coscinodiscales; Family Hemidiscaceae |
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Morphology: |
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Radially symmetric unicells. Central area of valve is plain or granulate. Areolae are arranged in radiate striae, opening by simple pores to the outside but over much of the surface the silica is corrugated or pitted, delimiting groups of areolae. |
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Habitat: |
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References: |
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Ehrenberg, C.G. 1843. Verbreitung und Einfluss des mikroskopischen Lebens in Süd-und Nord-Amerika. Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1841: 291-466, pls 1-4. Guiry, M.D. and G.M. Guiry 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 10 September 2013. |
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