- ↑ Mathews, G. B. (1938) Tardigrada from North America, American Midland Naturalist, vol. 19, no. 3
- ↑ (1996) , database, NODC Taxonomic Code
- ↑ 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
- ↑ Richters, F. (1903) Nordische Tardigraden, Zoologischer Anzeiger, vol. 27, no. 5
- ↑ 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
- ↑ Murray, James (1911) Scottish Tardigrada: A Review of our Present Knowledge, Annals of Scottish Natural History, no. 78
- ↑ Fontoura, A. Paulo (1981) Contribution pour l'étude des tardigrades terrestres du Portugal, avec la description d'une nouvelle espèce du genre Macrobiotus, Publicações do Instituto de Zoologia "Dr. Augusto Nobre," no. 160
- ↑ Fontoura, A. Paulo (1982) Deux nouvelles espèces de Tardigrades muscicoles du Portugal, Publicações do Instituto de Zoologia "Dr. Augusto Nobre," no. 165
- ↑ 9.0 9.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011
