Phormosoma

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Phormosoma
Phormosoma bursarium Agassiz, 1881 (AM MA78710).jpg
Phormosoma bursarium (AM MA78710)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Echinothurioida
Family: Phormosomatidae
Genus: Phormosoma
Thomson, 1872

Phormosoma is a genus of echinoderms belonging to the family Phormosomatidae. [1]

Contents

The genus was first described in 1872 by Charles Wyville Thomson. [1] [2] The type species is Phormosoma placenta . [1]

Description

Thomson describes the genus: [2]

Plates overlapping slightly and forming a continuous shell, the corona coming to a sharp edge at the periphery, and the upper surface of body differing greatly in character from the lower.

Species

Species accepted by WoRMS are: [1]

  1. Phormosoma bursarium A. Agassiz, 1881
  2. Phormosoma placenta Thomson, 1872
  3. Phormosoma rigidum A. Agassiz, 1881
  4. Phormosoma verticillatum Mortensen, 1904

References

  1. 1 2 3 4 "WoRMS - World Register of Marine Species - Phormosoma Thomson, 1872". www.marinespecies.org. Retrieved 7 March 2025.
  2. 1 2 Charles Wyville Thomson (20 June 1872). "On the Echinidea of the 'Porcupine' Deep-Sea Dredging-Expeditions". Proceedings of the Royal Society of London. 20 (137): 491–497. doi:10.1098/RSPL.1871.0095. ISSN   0370-1662. JSTOR   113180. Wikidata   Q110504059.
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