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


  • Bertolani, Roberto, and Lorena Rebecchi. 1993. A revision of the Macrobiotus hufelandi group (Tardigrada, Macrobiotidae), with some observations on the taxonomic characters of eutardigrades. Zoologica Scripta, vol. 22, no. 2. 127-152
  • Guidetti, Roberto, and Roberto Bertolani. 2005. Tardigrade taxonomy: an updated check list of the taxa and a list of characters for their identification. Zootaxa, issue 845. 1-46
  • Isis (Oken), 27, 151.
  • Schuster, R. O., D. R. Nelson, A. A. Grigarick, and D. Christenberry. 1980. Systematic Criteria of the Eutardigrada. Transactions of the American Microscopical Society, vol. 99, no. 3. 284-303
  • Schuster, Robert O., and Albert A. Grigarick. 1965. Tardigrada from Western North America With Emphasis on the Fauna of California. University of California Publications in Zoology, vol. 76. 1-67
  • Thulin, Gustav. 1928. Über die Phylogenie und das System der Tardigraden. Hereditas, vol. 11. 207-266


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