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

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. ^ a b c d "WoRMS - World Register of Marine Species - Phormosoma Thomson, 1872". www.marinespecies.org. Retrieved 7 March 2025.
  2. ^ a b 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.
Allikas: http://en.wikipedia.org/wiki/Phormosoma
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