Loricifera is a phylum of very small to microscopic marine cycloneuralian sediment-dwelling animals with 43 described species. and approximately 100 more that have been collected and not yet described. Their sizes range from 100 μm to ca. 1 mm.
Eutardigrada are a class of tardigrades (Tardigrada) without lateral appendages. Primarily freshwater bound, some species have secondarily gained the ability to live in marine environments (Halobiotus). By cryptobiosis many species are able to live temporarily in very dry environments. More than 700 species have been described.
Hypsibius is a genus of tardigrades in the class Eutardigrada.
Parachela is an order of tardigrades in the class Eutardigrada. Members of this order have existed for at least 72 million years, including the present. The oldest known species is Beorn leggi.
Diphascon is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.
Doryphoribius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.
Ramazzottius 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.
Halobiotus is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.
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.
Hebesuncus is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.
Necopinatidae is a family of water bears or moss piglets, tardigrades in the class Eutardigrada. It contains the following species in two genera
Microhypsibiidae is a family of water bear or moss piglet, a tardigrade in the class Eutardigrada. It contains the following species in two genera
Milnesiidae is a family of tardigrades of the class Eutardigrada. It is the sole family in the order Apochela.
Echiniscus is a genus of tardigrades in the family Echiniscidae. The genus was named and described by Karl August Sigismund Schultze in 1840.
Macrobiotidae is a family of tardigrade. As of 2023, it consists of the following genera:
Macrobiotus is a genus of tardigrade consisting of about 100 species.
Bertolanius is a genus of tardigrades belonging to the family Eohypsibiidae.
Mesobiotus is a genus of tardigrades belonging to the family Macrobiotidae.
