== Publikationer ==
* {{aut|[[I. Heiner|Heiner, I.]]}}; {{aut|[[R.M. Kristensen|Kristensen, R.M.]]}} 2009: ''Urnaloricus gadi'' nov. gen. et nov. sp. (Loricifera, Urnaloricidae nov. fam.), an aberrant Loricifera with a viviparous pedogenetic life cycle. {{ISSN|0362-2525}} ''Journal of morphology'', '''270'''(2): 129-153. {{doi|10.1002/jmor.10671}}
* {{aut|[[Aslak Jørgensen|Jørgensen, A.]]}} and {{aut|Kristensen, R.M.}}, 2001. A New Tanarctid Arthrotardigrade with Buoyant Bodies. ''Zoologischer Anzeiger'', vol. '''240''', issue '''3-4''': 425-439.
* {{aut|Kristensen, R.M.}}, 1982. New Aberrant Eutardigrades from Homothermic Springs on Disko Island, West Greenland. ''Proceedings of the Third International Symposium on the Tardigrada'', '''August 3–6, 1980''', Johnson City, Tennessee, USA: 203-220.
* {{aut|Kristensen, R.M.}} and {{aut|[[Robert P. Higgins|Higgins, R.P.]]}}, 1984. A New Family of Arthrotardigrada (Tardigrada: Heterotardigrada) from the Atlantic Coast of Florida, U.S.A. ''Transactions of the American Microscopical Society'', vol. '''103''', no. '''3''': 295-311. [http://hdl.handle.net/10088/4618], [https://www.jstor.org/pss/3226191 Abstract]
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