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


  • Adrianov, A. V., and V. V. Malakhov. 1999. Cephalorhyncha of the world ocean. 1-328
  • Neuhaus B. (2015). WoRMS Priapulida: World list of Priapulida (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.
  • van der Land, J. (2015). Acanthopriapulus horridus (Théel, 1911). Accessed through: World Register of Marine Species at
  • van der Land, J. 1970. Systematics, zoogeography, and ecology of the Priapulida. Zoologische Verhandelingen, no. 112. 1-118


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