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Benthozoa

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(Redirected from Myriazoa) Clade of early animals
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Benthozoa
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Clade: Benthozoa
A. Erives and B. Fritzsch, 2019
Clades

Porifera
Eumetazoa (sans Ctenophora)

Synonyms

Myriazoa

The Benthozoa or Myriazoa are a proposed basal animal clade consisting of the Porifera and ParaHoxozoa as a sister group of Ctenophora.

An alternative phylogeny is given by the Porifera-sister hypothesis in which Porifera are the first diverging animal group.

Choanozoa

Choanoflagellata

Animalia

Ctenophora

Benthozoa

Porifera

Eumetazoa /

Placozoa

Cnidaria

Bilateria /

Xenacoelomorpha

Nephrozoa
Deuterostomia

Chordata

Ambulacraria

Protostomia
Ecdysozoa
Scalidophora

(Priapulids and allies)
Arthropoda

and allies
Nematoda

and allies
> 529 mya
Spiralia
Gnathifera
Rotifera

and allies
Chaetognatha

Platytrochozoa
Platyhelminthes

and allies
Lophotrochozoa
Mollusca

and allies
Annelida

and allies
550 mya
580 mya
610 mya
650 mya
Triploblasts
ParaHoxozoa
760 mya
950 mya

References

  1. Schultz, Darrin T.; Haddock, Steven H.D.; Bredeson, Jessen V.; Green, Richard E.; Simakov, Oleg; Rokhsar, Daniel S. (17 May 2023). "Ancient gene linkages support ctenophores as sister to other animals". Nature. doi:10.1038/s41586-023-05936-6. ISSN 0028-0836. PMC 10232365.
  2. Erives, Albert; Fritzsch, Bernd (17 July 2019). "A screen for gene paralogies delineating evolutionary branching order of early Metazoa". bioRxiv 10.1101/704551.
Extant animal phyla
Domain
Archaea
Bacteria
Eukaryota
(major groups
Excavata
Diaphoretickes
Hacrobia
Cryptista
Rhizaria
Alveolata
Stramenopiles
Plants
Amorphea
Amoebozoa
Opisthokonta
Animals
Fungi
Mesomycetozoea)
Animalia
ParaHoxozoa
(Planulozoa)
Bilateria (Triploblasts)
  • (see below↓)
The phylogeny of the animal root is disputed; see also
Eumetazoa
Benthozoa
Bilateria
Bilateria
Ambulacraria
Protostomia
Ecdysozoa
Scalidophora
N+L+P
Nematoida
L+P
Panarthropoda
Spiralia
Gnathifera
M+S
Platytrochozoa
R+M
Rouphozoa
Mesozoa
Lophotrochozoa
M+K
Kryptotrochozoa
Lophophorata
Bryozoa s.l.
Brachiozoa
The phylogeny of Bilateria is disputed; see also
Nephrozoa
Deuterostomia
Xenambulacraria
Centroneuralia

Major groups
within phyla
Phyla with ≥1000 extant species bolded
Potentially dubious phyla


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