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Actinocyclus normanii is a centric diatom with disc-shaped valves, coarse areolae and rimoportulae. It is widespread and common in coastal, brackish and planktonic habitats, and may reflect nutrient enrichment and human alteration.
Actinocyclus normanii is a microalga, a species of planktonic centric diatom. It is a marine species that is also found in brackish and eutrophic fresh water. It is considered an invasive species in the United States . Description. Actinocyclus normanii is cylindrical with two valves or frustules.
La diatomea Actinocyclus normanii exhibe cierta grado de halotolerancia, aunque su crecimiento disminuye drásticamente con el incremento de la salinidad; se considera una especie bioindicadora de aguas de baja salinidad y ricas en silicato.
Displaying 1 of 1 species. Sorted from smallest to largest by maximum length. Waterbody View Sort. Name. Actinocyclus normanii Diameter: 14-72.
Return to overview. Guide to Actinocyclus normanii. (W.Greg. ex Grev.) Hust. 1957. Credit: Mark Edlund. Areolae radiate in pseudosectors. Areolae similar in size across valve. Rimoportulae marginal. Valves concentrically undulate, with radiate areolae. Areolae are 8-12 in 10 µm and maintain constant size throughout the valve.
Actinocyclus normanii is a species of diatom in the family Hemidiscaceae, with a marine, brackish or freshwater habitat. It was originally described by Greville in 1859 and has one documented form and 10 distribution records.
Actinocyclus normanii is a circular diatom with radiating striae and rimoportulae. It is described by Greville in 1859 and Hustedt in 1957, and has photosynthetic characteristics in the Scheldt estuary.
