Reinhardt Kristensen is an invertebrate biologist, noted for the discovery of three new phyla of microscopic animals: the Loricifera in 1983, the Cycliophora in 1995, and the Micrognathozoa in 2000. Loricifera is a small phylum of marine sediment-dwelling animals with about a dozen known species. ... 1983 is a common year starting on Saturday of the Gregorian calendar. ... Binomial name Symbion pandora Funch & Kristensen, 1995 Symbion is a genus of peculiar animals, with a single species, . It was discovered in 1995 by Reinhardt Kristensen and Peter Funch on the mouthparts of the Norwegian lobster Nephrops norvegicus. ... 1995 was a common year starting on Sunday of the Gregorian calendar. ... Binomial name Limnognathia maerski Kristensen & Funch, 2000 Limnognathia maerski is a microscopic animal, discovered in Greenland in 2000, that is given its own phylum, Micrognathozoa. ... 2000 is a leap year starting on Saturday of the Gregorian calendar. ...
Kristensen, by using a WGA-gold labeling technique, determined Kinorhyncha, Priapulida, and Loricifera have chitin in the procuticle.
In agreement with Kristensen, de Rosa (1999) largely based the similarities of these four phyla by the identification of clade-specific Hox paralog groups, and a repeat found in the b-Thymosin homologues (Halanych and Passamaneck, 2001).
Kristensen (1999) suggests the loricifera abdomen is covered with a cuticularized girdle called the lorica.
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