Tardigrade genera

Macrobiotus is a genus of tardigrades consisting of about 100 species within the family Macrobiotidae. Of genera within the phylum Tardigrada, Macrobiotus is one of the most species-abundant. Macrobiotus hufelandi, identified by German researcher Carl August Sigismund Schultze in 1834, is recognized as the first taxonomically named tardigrade species. By extension, Macrobiotus was the first ever described tardigrade genus. Macrobiotus shares similarities to other tardigrade genera, particularly in moulting a non-living cuticle over multiple life stages and robust stress tolerance mechanisms. H

Milnesium, also known as '''Milnesium Doyère, 1840' named after Louis Michel François Doyère is a genus of tardigrades. Milnesium exhibits tardigrade species with multi-legged, multi-clawed, and segmented morphology. Species of Milnesium are common with the most known, M. tardigradum, being found in a wide variety of habitats across the world. Milnesium'' has a fossil record extending back to the Cretaceous with the oldest species found being known from Turonian stage deposits on the east coast of the United States.

Echiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Karl August Sigismund Schultze in 1840.

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

Hypsibius is a genus of tardigrades in the class Eutardigrada.

Cornechiniscus is a genus of tardigrades in the family Echiniscidae. It was named and described by Walter Maucci and Giuseppe Ramazzotti in 1981.

Oreella is a genus of tardigrades in the family Oreellidae. It is the only genus of that family. It was named and described by James Murray in 1920; the family Oreellidae was named and described by Giuseppe Ramazzotti in 1962. Ramazzotti gave the first modern description of the genus with his findings on O. minor, which was differentiated from another species by the name of O. mollis by its smaller size, spur presence on internal claws, and briefer stylets. Characteristics such as these can be considered as insufficient evidence of the delineation between species, however the differences in si

Pseudechiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Gustav Thulin in 1911.

Minibiotus is a genus of tardigrades belonging to the family Macrobiotidae.

Haplomacrobiotus is a genus of tardigrades belonging to the family Calohypsibiidae.

Bryodelphax is a genus of tardigrades in the family Echiniscidae. The genus was first described by Gustav Thulin in 1928.

Archechiniscus is the only genus of tardigrades in the family Archechiniscidae. It was first described by Erich Schulz in 1953.

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.

Styraconyx is a genus of tardigrades in the family Styraconyxidae. The genus was named and first described by Gustav Thulin in 1942.

Itaquascon is a genus of tardigrade in the class Eutardigrada.

Doryphoribius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Platicrista is a genus of tardigrade in the class Eutardigrada.

Testechiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Reinhardt Kristensen in 1987.

Mopsechiniscus is a genus of terrestrial tardigrades in the family Echiniscidae. It was named and described by Eveline Du Bois-Reymond Marcus in 1944.

Hypechiniscus is a genus of tardigrades in the family Echiniscidae. It was named and described by Gustav Thulin in 1928.

Isohypsibius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada. The length of an isohypsibius tardigrade ranges from 0.1 millimeters to 1.5 millimeters. In addition to eating algae and plant cells, tardigrades also consume insect larvae and even other tardigrades. They live in a lot of places, like damp wooded areas with moss, lichens, leaf litter, and dirt. These animals can also be found in natural lakes and ponds.

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.

Pseudoastygarctus is a genus of tardigrades in the family Stygarctidae. The genus was first described and named by McKirdy, Schmidt & McGinty-Bayly in 1976.

Ramazzottius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada, named after the Italian zoologist Giuseppe Ramazzotti.

Mixibius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

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

Eremobiotus is a genus of tardigrade in the class Eutardigrada.

Diphascon is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Anisonyches is a genus of tardigrades in the family Echiniscoididae. The genus was first described and named by Leland W. Pollock in 1975. The genus name is a combination of the Greek aniso ("unequal") and onyches ("claws"), since Anisonyches have four claws each on the first three pairs of legs and three claws each on the fourth pair of legs.

Pseudobiotus is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Parascon is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Mesocrista is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Wingstrandarctus is a genus of tardigrades, in the subfamily Florarctinae which is part of the family Halechiniscidae. The genus was named and described by Kristensen in 1984.

Parastygarctus is a genus of tardigrades, in the family Stygarctidae. It was first described and named by Jeanne Renaud-Debyser in 1965.

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

Halobiotus is a genus of tardigrade in the class Eutardigrada.

Orzeliscus is a genus of tardigrades in the family Halechiniscidae. The genus was named and described by Eveline Du Bois-Reymond Marcus in 1952.

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

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

Calcarobiotus is a genus of tardigrades belonging to the family Macrobiotidae.

Echiniscoides is a genus of tardigrades in the family Echiniscoididae. It was named and described by Ludwig Hermann Plate in 1888.

Stygarctus is a genus of tardigrades in the family Stygarctidae. It was named by Erich Schulz in 1951. The name is a combination of Greek Styx and arktos ("bear").

Megastygarctides is a genus of tardigrades, the only one in the subfamily Megastygarctidinae in the family Stygarctidae. The genus was first described and named by McKirdy, Schmidt & McGinty-Bayly in 1976. It was placed in the new subfamily Megastygarctidinae in 1998 by Bello and de Zio Grimaldi.

Parechiniscus is a genus of tardigrades in the family Echiniscidae. It was named and described by Lucien Cuénot in 1926.

Thulinius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

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

Angursa is a genus of tardigrades in the family Styraconyxidae. The genus was named and described by Leland W. Pollock in 1979.

Antechiniscus is a genus of tardigrade in the family Echiniscidae. The genus was first described by Reinhardt Kristensen in 1987.

Halechiniscus is a genus of tardigrades in the family Halechiniscidae. It was named and described by Ferdinand Richters in 1908.

Hebesuncus is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.

Ramajendas is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada found in Antarctica.

Astatumen is a genus of tardigrades in the class Eutardigrada found in Romania. Species of this genus were originally categorized in the genus Itaquascon until 1997.

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.

Neostygarctus is a genus of tardigrades. It is the only genus in the family Neostygarctidae. It was named and described by Grimaldi de Zio, D'Addabbo Gallo and Morone De Lucia in 1982.