Pliciloricus dubius

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Pliciloricus dubius
Scientific classification
Kingdom: Animalia
Phylum: Loricifera
Class: Nanaloricea
Order: Nanaloricida
Family: Pliciloricidae
Genus: Pliciloricus
Species:P. dubius
Binomial name
Pliciloricus dubius

Pliciloricus dubius is a marine Loriciferan species of genus Pliciloricus described by Higgins & Kristensen 1986. [1]

Loricifera Phylum of very small to microscopic marine sediment-dwelling animals

Loricifera is a phylum of very small to microscopic marine cycloneuralian sediment-dwelling animals with 37 described species, in nine genera. Aside from these described species, there are approximately 100 more that have been collected and not yet described. Their sizes range from 100 µm to ca. 1 mm. They are characterised by a protective outer case called a lorica and their habitat, which is in the spaces between marine gravel to which they attach themselves. The phylum was discovered in 1983 by Roberto Ramos, in Roscoff, France. They are among the most recently discovered groups of Metazoans. They attach themselves quite firmly to the substrate, and hence remained undiscovered for so long. The first specimen was collected in the 1970s, and later described in 1983. They are found at all depths, in different sediment types, and in all latitudes.

<i>Pliciloricus</i> genus of animals

Pliciloricus is a genus of marine organisms Pliciloricidae family, the phylum Loricifera described by Higgins & Kristensen, 1986.

Reinhardt Møbjerg Kristensen is a Danish 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. He is also considered one of the world's leading experts on tardigrades. His recent field of work revolves mostly around arctic biology.

Contents

Distribution

Pliciloricus dubius is a species that has been designated for the waters of the Atlantic Ocean north and northwest. [2]

Atlantic Ocean Ocean between Europe, Africa and the Americas

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Scalidophora superphylum of invertebrates

Scalidophora is a group of marine pseudocoelomate protostomes that was proposed on morphological grounds to unite three phyla: the Kinorhyncha, the Priapulida and the Loricifera. The three phyla have four characters in common — chitinous cuticle that is moulted, rings of scalids on the introvert, flosculi, and two rings of introvert retracts. However, the monophyly of the Scalidophora is not supported by molecular studies, where the position of the Loricifera was uncertain or as sister to the Panarthropoda. Both studies supported a reduced Scalidophora comprising the Kinorhyncha and Priapulida as sister phyla. Their closest relatives are the Panarthropoda, Nematoda and Nematomorpha; thus they are placed in the group Ecdysozoa.

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<i>Spinoloricus cinziae</i>

Spinoloricus cinziae is an animal species described in 2014 in the phylum Loricifera.

Cyclorhagida is an order of kinorhynchs, which are small marine invertebrates.

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<i>Pliciloricus enigmaticus</i> species of loriciferans

Pliciloricus enigmaticus is a marine Loriciferan species of genus Pliciloricus described by Higgins & Kristensen 1986.

Pliciloricidae family of animals

Pliciloricidae are a family of marine organisms in the phylum Loricifera. It contains 22 species in 3 genera.

Rugiloricus is a genus of marine organisms of the phylum Loricifera and the family Pliciloricidae, described by Higgins & Kristensen in 1986.

Rugiloricus cauliculus is a species of marine animal of the phylum Loricifera and the family Pliciloricidae. The species was described by Higgins & Kristensen in 1986, however other sources such as OBIS indicate that discovery of the species occurred on 19th November 1983.

Robert P. Higgins is an American systematic invertebrate zoologist and ecologist.

Jeanne Renaud-Mornant, Born Jeanne Renaud, Jeanne Renaud-Debyser before her second marriage was a French biologist specialising in meiofauna.

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<i>Thanasimus dubius</i>

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Echinoderes is a genus of mud dragons first described in 1863. It is the largest genus within class Kinorhyncha. It is a highly diverse genus, with member species that inhabit "most marine benthic substrates, on latitudes ranging from the Arctic to the tropics, and from the intertidal zone down to the deep sea." Species on the east coasts of North and South America have been extensively studied by Robert P. Higgins. Species in east Asia have been extensively studied by A. V. Adrianov.

References

  1. Higgins, Robert P.; Kristensen, Reinhardt M. 1986: New Loricifera from southeastern United States coastal waters Smithsonian Contributions to Zoology, 438 Smithsonian Institution Press: Washington D.C.. III, 70 pp. ISSN 0081-0282
  2. World Register of Marine Species (Worms): Pliciloricus dubius Higgins & Kristensen, 1986 AphiaID: 154513