Halobiotus

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

Species

Extant phyla of kingdom Animalia

Archaea

Bacteria

Eukaryota

Plant

Hacrobia

Heterokont

Alveolata

Rhizaria

Excavata

Amoebozoa

Opisthokonta

Animal

Fungi)

Xenacoelomorpha	Xenoturbellida (Xenoturbella) Acoelomorpha (acoels, nemertodermatids)

Chordata (lancelets, tunicates, craniates)

Ambulacraria	Hemichordata (acorn worms, pterobranchs) Echinodermata (starfish, sea urchins and relatives)

basal / incertae sedis	Chaetognatha (arrow worms)

Scalidophora	Kinorhyncha (mud dragons) Priapulida (penis worms) Loricifera

Nematoida	Nematomorpha (horsehair worms) Nematoda (roundworms)

Panarthropoda	Tardigrada (waterbears) Onychophora (velvet worms) Arthropoda (arthropods)

Platytrochozoa

Rouphozoa

Orthonectida² Dicyemida (Rhombozoa)² Mollusca (molluscs) Nemertea (ribbon worms) Annelida (ringed worms)

Lophophorata	Brachiopoda (lamp shells) Phoronida (horseshoe worms) Bryozoa (Ectoprocta) (moss animals)

Clade	Cycliophora (Symbion) Entoprocta (Kamptozoa)

Dubious	Monoblastozoa (Salinella)

Obsolete	Pentastomida (tongue worms) (in Arthropoda) Sipuncula (peanut worms) (in Annelida) Echiura (spoon worms) (in Annelida) Pogonophora (giant tube worms) (in Annelida) Vestimentifera (in Annelida) Myxozoa (in Cnidaria) Molluscoida (polyphyletic) Aschelminthes (polyphyletic) Gephyrea (polyphyletic) Coelenterata (polyphyletic) Annulata (polyphyletic)

Types

Notable
extremophiles

Bacteria	Chloroflexus aurantiacus Deinococcus radiodurans Deinococcus–Thermus Snottite Thermus aquaticus Thermus thermophilus Spirochaeta americana GFAJ-1

Archaea	Pyrococcus furiosus Strain 121 Pyrolobus fumarii

Eukaryota	Cyanidioschyzon merolae Galdieria sulphuraria Paralvinella sulfincola Halicephalobus mephisto Pompeii worm Tardigrada

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