Standard Article


  1. Jean Febvre,
  2. Colette Febvre-Chevalier

Published Online: 30 MAY 2001

DOI: 10.1038/npg.els.0002102



How to Cite

Febvre, J. and Febvre-Chevalier, C. 2001. Acantharia. eLS. .

Author Information

  1. Oceanological Observatory, Villefranche-sur-Mer, France

Publication History

  1. Published Online: 30 MAY 2001

This is not the most recent version of the article. View current version (16 NOV 2015)


Acantharia are marine planktonic protozoa related to Radiolaria. Their main distinctive features are the mineral skeletons of strontium sulfate, the radial cytoplasmic extensions known as axopods, the extracellular fibrillar network or periplasmic cortex and the contractile filament bundles known as myonemes.


  • eukaryota;
  • protozoa;
  • actinopoda;
  • radiozoa;
  • celestite-based skeleton