Oriopsis armandi   (Claparede,  1864) (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: 1.5 mm long, including the tentacular crown of 0.5 mm.

There are three pairs of radioli and one pair of thick ventral filaments. The length of the latter is half that of the tentacular crown, filaments lack the cartilaginous cells. Collarette is characterized by a broad dorsal gap. In the thoracic setigers, two bundles of bristles with 4 narrow-winged capillaries and uncini are found. The teeth above the main fang of the uncini are conspicuous, no gap between the main fang and the first tooth.

Synonym (s)
Fabricia (Amphicorina) armandi Claparede, 1864
Oriopsis metchnikowi Caullery & Mesnil, 1896
(Subjective synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy, Muddy


• Tamil Nadu, Mandapam INDIA (Depth: 0.5 mts)
• Tamil Nadu, Mandapam, Gulf of Mannar INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Banse K (1959) On marine Polychaeta from Mandapam (South India) Journal of the Marine Biological Association Of India Marine Biological Association of India, Cochin, India 1(2) 165-177 Available at - http://eprints.cmfri.org.in/1398/1/Karl_Banse_165-177.pdf
  • James, PSBR ; Thomas, PA ; Pillai, CSG and Achari Kumaraswamy, GP (1969) ´╗┐Catalogue of types and of sponges, corals, polychaetes, crabs and echinoderms in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 7 1-66 Available at - http://eprints.cmfri.org.in/567/1/Bulletin_7.pdf

Page last updated on:2011-03-17

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