Spirobranchus giganteus   (Pallas,  1766) (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Image copyrights: Zubi

Size: 66mm by 7mm

Colour : Body yellow, thorax greenish, thoracic setae with greenish irridiscence.

Body long, dorso-ventrally flattened, divided into two regions : (i) thorax
consisting of seven setigerous segments and (ii) abdoirien with nearly 300 segments. First segment with bayonet-shaped collar setae without any conical process at their base and covered with few fine hair-like processes. Next six segments with dorsal bilimbate capillary setae and ventral uncinigerous tori. Thoracic uncini have 22 teeth in addition to the large gouge-shaped basal process. Abdominal setae narrow, compressed and trumpet shaped with a long process at one end. Abdominal uncini have 13 teeth in addition to the basal gougeshaped process. Branchial lobes symmetrical, spirally coiled with 5-6 whorls and about 102 filaments. Each radiole possesses over 100 barbules. Operculum thick, calcareous, supported by a tall pedicle with thin expanded lateral wings.

Synonym (s)
Cymospira cervina Quatrefages, 1866
(Subjective Synonym)
Cymospira megasoma Quatrefages, 1866
(Subjective Synonym)
Cymospira rubus Quatrefages, 1866
Olga elegantissima Jones, 1962
(Subjective Synonym)
Penicillum marinum Seba, 1758
Pomatoceros oerstedi Voss & Voss, 1955
(Subjective Synonym)
Serpula (Cymospira) gigantea Pallas, 1766
(Objective Synonym)
Serpula (Galeolaria) gigantea (Pallas, 1776)
Serpula bicornis (Abildgaard, 1789)
Serpula gigantea Pallas, 1766
Spirobranchus (Cymospira) giganteus (Pallas, 1776)
Spirobranchus giganteus microceras Morch, 1863
Spirobranchus giganteus tricornis Morch, 1863
Spirobranchus megasoma (Quatrefages, 1866)
Spirobranchus tricornis Morch, 1863
(Subjective Synonym)
Terebella bicornis Abildgaard, 1789
(Subjective Synonym)

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands INDIA
• Andaman and Nicobar Islands, North Reef Island INDIA
• Andaman and Nicobar Islands, Ross Island INDIA
• Tamil Nadu, Pamban INDIA

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Gladkov, AV and Moshchenko, AV (1990) [Epibiosis of barnacles and polychaetes on the hydroid Millepora platyphylla.] [Systematics and chorology of marine organisms: collected scientific works.] 87-97 Available at - Zoological Records
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Starfish Available at - http://www.starfish.ch/
  • Rao, GC; Rao, DV and Devi, K (1994) A faunal exploration of the North Reef Island sanctuary, North Andaman Journal of the Andaman Science Association Andaman Science Association, Port Blair 10(1&2) 68-81 Available at - NIO, Goa
  • Tampi, PRS and Rangarajan, K (1964) Some polychaetous Annelids from the Andaman waters Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 6(1) 98-123 Available at - http://eprints.cmfri.org.in/1007/1/Article_10.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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