Reinhardt Møbjerg Kristensen (born 1948) is a

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...

invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

, noted for the discovery of three new

phyla Phyla, the plural of ''phylum'', may refer to: * Phylum, a biological taxon between Kingdom and Class * by analogy, in linguistics, a large division of possibly related languages, or a major language family which is not subordinate to another Phyl ...

of microscopic animals: the

Loricifera Loricifera (from Latin, '' lorica'', corselet (armour) + ''ferre'', to bear) is a phylum of very small to microscopic marine cycloneuralian sediment-dwelling animals that had been determined to be 37 described species, in 9 genera, bu ...

in 1983, the

Cycliophora ''Symbion'' is a genus of commensal aquatic animals, less than 0.5 mm wide, found living attached to the mouthparts of cold-water lobsters. They have sac-like bodies, and three distinctly different forms in different parts of their two-sta ...

in 1995, and the

Micrognathozoa ''Limnognathia maerski'' is a microscopic freshwater animal, discovered living in warm springs on Disko Island, Greenland, in 1994. Since then, it was also found in Crozet Islands of Antarctica.). With an average length of 100 micrometers ...

in 2000. He is also considered one of the world's leading experts on tardigrades. His recent field of work revolves mostly around

arctic The Arctic ( or ) is a polar regions of Earth, polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada (Yukon, Northwest Territories, Nunavut), Danish Realm (Greenla ...

biology. He is also known for documenting '' Dendrogramma'', an invertebrate genus that was later classified as Siphonophorae of the family

Rhodaliidae Rhodaliidae is a family of siphonophores. In Japanese they are called ().Japan Agency for Marine-Earth Science and Technology. (2009 onwards). Biological Information System for Marine Life (BISMaL). Accessed on 2018-11-21. available online at h ...

Loricifera

Kristensen collected the first members of the

phylum in Roscoff, France, in 1970, but did not describe it until 1983.Heiner, I. 2005. Preliminary account of the loriciferan fauna of the Faroe Bank (NE Atlantic). Biofar Proceedings 2005: 213–219.

Cycliophora

Kristensen and

Peter Funch Peter may refer to: People * List of people named Peter, a list of people and fictional characters with the given name * Peter (given name) ** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church * Peter (surname), a su ...

described '' Symbion pandora'', on the mouth-parts of Norwegian

lobster Lobsters are a family (biology), family (Nephropidae, Synonym (taxonomy), synonym Homaridae) of marine crustaceans. They have long bodies with muscular tails and live in crevices or burrows on the sea floor. Three of their five pairs of legs ...

s, in 1995; other species were later found on other types of lobsters.

Micrognathozoa

Kristensen described ''

Limnognathia maerski ''Limnognathia maerski'' is a microscopic freshwater animal, discovered living in warm springs on Disko Island, Greenland, in 1994. Since then, it was also found in Crozet Islands of Antarctica.). With an average length of 100 micrometers ...

'', the first (and so far only) known species in the group, in a cold spring on Disko Island in 2000.

Selected publications

* ; 2009: ''Urnaloricus gadi'' nov. gen. et nov. sp. (Loricifera, Urnaloricidae nov. fam.), an aberrant Loricifera with a viviparous pedogenetic life cycle. ''Journal of morphology'', 270(2): 129-153. * and , 2001. A New Tanarctid Arthrotardigrade with Buoyant Bodies. ''Zoologischer Anzeiger'', vol. 240, issue 3-4: 425-439. * , 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. * and , 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
Abstract

References

External links

Danish zoologists 1948 births Place of birth missing (living people) Living people {{Denmark-scientist-stub