Tanarctidae

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Tanarctidae
Scientific classification
Kingdom: Animalia
Phylum: Tardigrada
Class: Heterotardigrada
Order: Arthrotardigrada
Family:Tanarctidae

The Tanarctidae are a family of tardigrades. [1] The family was named and described by Reinhardt Møbjerg Kristensen and Jeanne Renaud-Mornant in 1980.

Tardigrade Phylum of animals

Tardigrades are a phylum of water-dwelling, eight-legged, segmented micro-animals. They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who gave them the name of "little water bears". The name Tardigrada was given in 1777 by the Italian biologist Lazzaro Spallanzani. They have been found everywhere: from mountaintops to the deep sea and mud volcanoes; from tropical rain forests to the Antarctic. Tardigrades are among the most resilient known animals, with individual species able to survive extreme conditions that would be rapidly fatal to nearly all other known life forms, such as exposure to extreme temperatures, extreme pressures, air deprivation, radiation, dehydration, and starvation. Tardigrades have even survived exposure to outer space. About 1,150 known species form the phylum Tardigrada, a part of the superphylum Ecdysozoa. The group includes fossils dating from 530 million years ago, in the Cambrian period.

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

Contents

Genera

There are three genera: [1]

Actinarctus is a genus of tardigrades in the family Tanarctidae. The genus was named and described by Erich Schulz in 1935.

Tanarctus is a genus of tardigrades in the family Tanarctidae. The genus was named and described by Jeanne Renaud-Debyser in 1959.

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

The Stygarctidae are a family of tardigrades. The family was first described by Schulz in 1951. The genus Neoarctus was first placed in the family Stygarctidae, but it was moved to a separate family, Neoarctidae, in 1998.

Batillipes is genus of tardigrades, the only genus in the family Batillipedidae. It was first described by Ferdinand Richters in 1909.

The Halechiniscidae are a family of tardigrades. The family was named and first described by Gustav Thulin in 1928.

The Styraconyxidae are a family of tardigrades. The family was first described by Reinhardt Møbjerg Kristensen and Jeanne Renaud-Mornant in 1983.

Mesostygarctus is a genus of tardigrades, in the family Stygarctidae. It was first described and named by Jeanne Renaud-Mornant in 1979.

Coronarctus is a genus of tardigrades in the family Coronarctidae. It was named and described by Renaud-Mornant in 1974.

Florarctus is a genus of tardigrades, in the subfamily Florarctinae which is part of the family Halechiniscidae. The genus was named and described by Claude Delamare Deboutteville and Jeanne Renaud-Mornant in 1965.

Euclavarctus is a genus of tardigrades, in the subfamily Euclavarctinae which is part of the family Halechiniscidae. The genus was named and described by Jeanne Renaud-Mornant in 1975.

Clavarctus falculus is a species of tardigrades. It is the only species in the genus Clavarctus, part of the family family Halechiniscidae. The species has been found in deep sea in the Mozambique Channel.

Proclavarctus fragilis is a species of tardigrades. It is the only species in the genus Proclavarctus, part of the family Halechiniscidae. The species has been found in deep sea in the Mozambique Channel and the Bay of Biscay.

Ligiarctus is a genus of tardigrades, in the subfamily Florarctinae which is part of the family Halechiniscidae. The genus was named and described by Jeanne Renaud-Mornant in 1982.

Rhomboarctus is a genus of tardigrades in the family Styraconyxidae. The genus was named and first described by Renaud-Mornant in 1984.

Parmursa is a genus of tardigrades, in the subfamily Euclavarctinae which is part of the family Halechiniscidae. The genus was named and described by Jeanne Renaud-Mornant in 1984.

Exoclavarctus is a genus of tardigrades in the family Halechiniscidae. Its only species is Exoclavarctus dineti. The species has been found in the deep sea in the Bay of Biscay.

Chrysoarctus is a genus of tardigrades, in the subfamily Halechiniscinae which is part of the family Halechiniscidae. The genus was named and described by Jeanne Renaud-Mornant in 1984.

Opydorscus fonsecae is a species of tardigrades. It is the only species in the genus Opydorscus, part of the family Halechiniscidae and the subfamily Orzeliscinae. The species has been found on the Brazilian coast of the South Atlantic Ocean. The genus and the species were named by Jeanne Renaud-Mornant in 1983.

Raiarctus is a genus of tardigrades in the family Styraconyxidae. The genus was named and first described by Jeanne Renaud-Mornant in 1981.

References

  1. 1 2 Degma, Peter; Bertolani, Roberto; Guidetti, Roberto (30 June 2018). Actual checklist of Tardigrada species (2009-2018) (PDF). 34th Ed. University of Modena and Reggio Emilia . Retrieved 26 November 2018.

Further reading


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