Paxillosida

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Paxillosida
Luidia magnifica
Luidia magnifica
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Class: Asteroidea
Order: Paxillosida
Perrier, 1884
Families

See text.

Paxillosida are a large order of sea stars.

[edit] Characteristics

Paxillosida adults lack anus and suckers on the tube feet and do not develop the brachiolaria stage in early development[1].

[edit] Systematics

Recent analyses suggest that Paxillosida may be a sister taxon of Asterina[2]. The order is divided into the following families[3]

  • Astropectinidae
  • Ctenodiscidae
  • Goniopectinidae
  • Luidiidae
  • Porcellanasteridae
  • Radiasteridae

[edit] References

  1. ^ Matsubara, M., Komatsu, M., Araki, T., Asakawa, S., Yokobori, S.-I., Watanabe, K. & Wada, H. (2005) The phylogenetic status of Paxillosida (Asteroidea) based on complete mitochondrial DNA sequences. Molecular Genetics and Evolution, 36, 598–605
  2. ^ Matsubara, M., Komatsu, M., Araki, T., Asakawa, S., Yokobori, S.-I., Watanabe, K. & Wada, H. (2005) The phylogenetic status of Paxillosida (Asteroidea) based on complete mitochondrial DNA sequences. Molecular Genetics and Evolution, 36, 598–605
  3. ^ MarineSpecies.org - Paxillosida Perrier, 1884
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