List of animal classes

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The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 24 phyla in this list (the phyla Entoprocta, Gastrotricha, Gnathostomulida, Loricifera, Micrognathozoa, Onychophora, Orthonectida and Phoronida contain no classes). However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by no means be considered complete and authoritative and should be used carefully.

Contents

Annelida (segmented worms)

Arthropoda (insects, crustaceans, arachnids, centipedes and others)

Chelicerata

Source: [1]

Myriapoda

Source: [2]

Pancrustacea

Source: [3]

Hexapoda

Source: [8]

  • Entognatha (coneheads, two-pronged bristletails and springtails. paraphyletic with respect to insects)
  • Insecta (insects)

Brachiopoda (lamp shells)

Bryozoa (moss animals)

Chaetognatha (arrow worms)

Chordata (vertebrates, tunicates, and lancelets)

Cephalochordata

Tunicata

Vertebrata

Cyclostomata (jawless fish)

Gnathostomata (jawed fish)

Cnidaria (marine stinging animals)

Anthozoa (corals and sea anemones)

Medusozoa (jellyfish and hydrozoans)

Endocnidozoa (marine parasites)

Ctenophora (comb jellies)

Cycliophora (tiny marine animals)

Dicyemida (rhombozoa)

Echinodermata (sea stars, sea urchins, sand dollars, sea lilies, and others)

Crinozoa

Asterozoa

Echinozoa

Hemichordata

Kinorhyncha (mud dragons)

Mollusca (mollusks)

Nematoda (roundworms)

Nematomorpha (horsehair worms)

Nemertea (ribbon worms)

Placozoa

Platyhelminthes (flatworms)

Neodermata (parasitic worms)

Porifera (sponges)

Priapulida (priapulid worms)

Rotifera (rotifers)

Acanthocephala (thorny-headed worms)

Source: [10]

Tardigrada (tardigrades, water bears, or moss piglets)

Xenacoelomorpha

Acoelomorpha (simple soft-bodied flat worms, paraphyletic)

References

  1. ↑ Integrated Taxonomic Information System. "ITIS Standard Report Page: Chelicerata". www.itis.gov.
  2. ↑ "ITIS Standard Report Page: Myriapoda". www.itis.gov. Integrated Taxonomic Information System.
  3. ↑ Integrated Taxonomic Information System. "ITIS Standard Report Page: Crustacea". www.itis.gov.
  4. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2013-05-12. Retrieved 2014-10-03.{{cite web}}: CS1 maint: archived copy as title (link)
  5. ↑ Conlan, Kathleen E.; Bousfield, Edward. "Malacostracan | crustacean". www.britannica.com.
  6. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2014-10-06. Retrieved 2014-10-03.{{cite web}}: CS1 maint: archived copy as title (link)
  7. ↑ Regents of the University of California. "Introduction to Brachiopoda". www.ucmp.berkeley.edu.
  8. ↑ "ITIS Standard Report Page: Hexapoda". www.itis.gov. Integrated Taxonomic Information System.
  9. 1 2 Tessler, Michael; Neumann, Johannes S.; Kamm, Kai; Osigus, Hans-Jürgen; Eshel, Gil; Narechania, Apurva; Burns, John A.; DeSalle, Rob; Schierwater, Bernd (2022-12-08). "Phylogenomics and the first higher taxonomy of Placozoa, an ancient and enigmatic animal phylum". Frontiers in Ecology and Evolution. 10. doi: 10.3389/fevo.2022.1016357 .
  10. ↑ Shimek, Ronald (January 2006). "Nano-Animals, Part I: Rotifers". Reefkeeping.com. Retrieved July 27, 2008.
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