The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Keferstein, W.,. 1862. Untersuchungen über niedere Seethiere. Z. wiss. Zool. 12 1: 1-147.
  • Keferstein, Wilhelm 1862. Untersuchungen über niedere Seethiere. Zeitschrift für wissenschaftliche Zoologie, 12(1): 1-147,plates 1-11.
  • Schuchert P. (2015). WoRMS Hydrozoa: World Hydrozoa database (version 2015-08-01). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Schuchert, P. (2015). Turritopsis polycirrha (Keferstein, 1862). In: Schuchert, P. (2015) World Hydrozoa database. Accessed through: World Register of Marine Species at
  • UNESCO-IOC Register of Marine Organisms


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