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Genus of tardigrades

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Astatumen

Microscopic diagram showing Astatumen trinacriae at Fig D
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Tardigrada
Class:	Eutardigrada
Order:	Parachela
Family:	Hypsibiidae
Genus:	Astatumen Pilato, 1997
Species
see text

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.

Species

Astatumen bartosi (Wêglarska, 1959)
Astatumen tamaensis (Sudzuki 1975)
Astatumen tamurai (Ito 1990)
Astatumen trinacriae (Arcidiacono, 1962)

References

Ciobanu, Daniel; Kaczmarek, Łukasz. "The Eutardigrade genus Astatumen, new to Romania" (PDF). Animal biology. Scientific Annals of the University. LVIII. Alexandru Ioan Cuza University: 205–208. RG: 265253488. Retrieved 10 December 2021.

Extant animal phyla

(major groups

ParaHoxozoa
(Planulozoa)

Placozoa (Trichoplax and relatives) Cnidaria (jellyfish and relatives)
Bilateria (Triploblasts)	(see below↓)

The phylogeny of the animal root is disputed; see also: Eumetazoa; Benthozoa

Scalidophora	Kinorhyncha (mud dragons) Priapulida (penis worms)

N+L+P

Nematoida

L+P

Loricifera (corset animals)

Panarthropoda

Spiralia

Gnathifera

Chaetognatha (arrow worms) Gnathostomulida (jaw worms)
M+S	Micrognathozoa (Limnognathia) Syndermata Rotifera (wheel animals) Acanthocephala (thorny-headed worms)

Platytrochozoa

R+M

Rouphozoa	Platyhelminthes (flatworms) Gastrotricha (hairybacks)
Mesozoa	Orthonectida Dicyemida or Rhombozoa Monoblastozoa (Salinella)†

Lophotrochozoa

M+K

Mollusca (molluscs)

Kryptotrochozoa

Nemertea (ribbon worms)

Lophophorata

Bryozoa s.l.	Entoprocta or Kamptozoa Ectoprocta (moss animals)
Brachiozoa	Brachiopoda (lamp shells) Phoronida (horseshoe worms)

The phylogeny of Bilateria is disputed; see also: Nephrozoa; Deuterostomia; Xenambulacraria; Centroneuralia

Major groups
within phyla

Sponges
Cnidarians
Chordates
Echinoderms
Hemichordates
- Acorn worms
- Pterobranchs
Nematodes
Arthropods
Platyhelminths
Ectoproctans
Annelids
Molluscs

Phyla with ≥1000 extant species bolded

Potentially dubious phyla †

Extremophiles

Types

Notable
extremophiles

Bacteria	Chloroflexus aurantiacus Deinococcus radiodurans Deinococcota Snottite Thermus aquaticus Thermus thermophilus Spirochaeta americana GFAJ-1
Archaea	Pyrococcus furiosus Strain 121 Pyrolobus fumarii Thermococcus gammatolerans
Eukaryota	Cyanidioschyzon merolae Galdieria sulphuraria Paralvinella sulfincola Halicephalobus mephisto Pompeii worm

Taxon identifiers
Astatumen	Wikidata: Q2851984 Wikispecies: Astatumen ADW: Astatumen BOLD: 199993 CoL: 349V EoL: 13838 Fauna Europaea: 240393 Fauna Europaea (new): b5117eab-4f99-4ce4-850d-95574867cf53 GBIF: 2253558 iNaturalist: 644057 IRMNG: 1194503 ITIS: 710235 NBN: NHMSYS0021160875 NCBI: 576304 Open Tree of Life: 960821 WoRMS: 342547

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