List of eukaryote classes There are 4 kingdoms within eukaryote cells

Kingdom Fungi

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The relative number of species contributed to the total by each phylum of animals
 
Superb Fairy-wren, Malurus cyaneus
 
Differences between Deuterostomes and Protostomes
 
Yellow-winged darter, Sympetrum flaveolum
 
Pseudobiceros bedfordi, (Bedford's flatworm)
 
The use of love darts by the land snail Monachoides vicinus is a form of sexual selection

Subkingdom Parazoa

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Pattersonia ulrichi Rauff, 1894; an Ordovician hexactinellid sponge from near Cincinnati, Ohio.

One species Trichoplax adhaerens

Subkingdom Eumetazoa

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Eumetazoa is a subkingdom which contains two unranked groups, the Radiata and the Bilateria, which itself contains one unranked group, Mesozoa and four superphyla, Deuterostomia, and the three Protostome superphyla Ecdysozoa, Platyzoa and Lophotrochozoa.

Radiata

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Bilateria

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  • Superphylum Deuterostomia

No class, 2 orders, called mud dragons, very common in mud or sand

No class, one order Nanaloricida

25,000 recorded species, estimated to be a million

Onychophora (in some usages) Tardigrada (in some usages)

No classes

No classes

    • Phylum Micrognathozoa

Some dispute here with Micrognathozoa as the class and Limnognathia as the order

No classes, no orders, families Barentsiidae, Loxokalypodidae, Loxosomatidae, Pedicellinidae

This is problematic with no infobox info and a confusing box in the taxonomy section, how not to do it

Disputed bilaterians

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There is debate as to whether these Mesooa phyla and other phyla are bilaterians.

Mesozoa

  1. ^ Classes in Medusozoa based on "The Taxonomicon – Taxon: Subphylum Medusozoa". Universal Taxonomic Services. Retrieved 2009-01-26.
  2. ^ Cite error: The named reference Collins2002PhylogenyOfMedusozoa was invoked but never defined (see the help page).
  3. ^ A vanished history of skeletonization in Cambrian comb jellies