Echiniscus testudo is a cosmopolitan species of tardigrade.
Hypsibius is a genus of tardigrades in the class Eutardigrada.
Itaquascon is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.
Eohypsibiidae is a family of water bear or moss piglet, tardigrades in the class Eutardigrada. It contains the following species in three genera:
Milnesium is a genus of tardigrades. It is rather common, being found in a wide variety of habitats across the world. It has a fossil record extending back to the Cretaceous, the oldest species found so far is known from Turonian stage deposits on the east coast of the United States.
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.
The Echiniscidae are a family of tardigrades, a phylum of water-dwelling, eight-legged, segmented micro-animals. It is one of the four families in the Echiniscoidea order. The family was named by Gustav Thulin in 1928.
Echiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Karl August Sigismund Schultze in 1840.
Echinscus clavispinosus is a species of tardigrade in the family Echiniscidae. The species is endemic to the Cape Verde Islands and is found only in the island of Santo Antão. The species was first described by Paulo Fontoura, Giovanni Pilato and Oscar Lisi in 2011.
Archechiniscus is the only genus of tardigrades in the family Archechiniscidae. It was first described by Erich Schulz in 1953.
Batillipes is genus of tardigrades, the only genus in the family Batillipedidae. It was first described by Ferdinand Richters in 1909.
Pseudechiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Gustav Thulin in 1911.
Bryodelphax is a genus of tardigrades in the family Echiniscidae. The genus was first described by Gustav Thulin in 1928.
Styraconyx is a genus of tardigrades in the family Styraconyxidae. The genus was named and first described by Gustav Thulin in 1942.
Echinscus azoricus is a species of tardigrade in the family Echiniscidae. The species is endemic to the Azores Islands. The species was first described by Paulo Fontoura, Giovanni Pilato and Oscar Lisi in 2008.
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.
Echinscus viridianus is a species of tardigrade in the family Echiniscidae. The species has been found in the United States and in the Azores Islands in the North Atlantic. It was first described by Giovanni Pilato, Paulo Fontoura and Oscar Lisi in 2007. The body length of Echiniscus viridianus lies between 175 and 310 µm.
Macrobiotidae is a family of tardigrade. As of 2017, it consists of the following genera:
Macrobiotus is a genus of tardigrade consisting of about 100 species.
Pseudechiniscus is a species of tardigrade in the family Echiniscidae. The species is endemic to the island of São Tomé in São Tomé and Príncipe. The species was first described by Paulo Fontoura, Giovanni Pilato and Oscar Lisi in 2010.
