Laonice cirrata   (M. Sars,  1851) (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Image copyrights: Humboldt Bay Harbor Recreation & Conservation District

Size: Length 90-120 mm. by 3-5 mm.

Color: Yellowish, darker behind.

A long dorsal crest (sense organ) on the first 28-30 segments. Gills 35-45 pairs only, long, cirriform, folded on the back, separate from the dorsal lamella all along. Dorsal lamellae large, auriculate in the branchiate segments; smaller, triangular and ovate in the succeeding ones. Ventral lamella oval, rounded in the succeeding segments. From about the 25th foot, in mature specimens, pigeon-nest shaped genital pouches between the lamellae. Ventral hooded hooks bidentate from about the 40th-50th foot.

Synonym (s)
Laonice cirrata Amoureux et al., 1978
Laonice cirrata Hartman, 1959
Laonice cirrata Kiseleva, 1971
Laonice cirrata Wesenberg-Lund, 1949
Nerine cirrata Sars, 1851
Aricidea alata Treadwell, 1901
(Subjective synonym)
Aricideopsis megalops Johnson, 1901
(Subjective synonym)
Chaetosphaera falconis Haecker, 1898
(Subjective synonym)
Laonice pugettensis Banse & Hobson, 1968
Scolecolepis cirrata Webster & Benedict, 1884
(Subjective synonym)
Spionides cirratus Webster & Benedict, 1887
(Subjective synonym)
Laonice cirrata Fauvel, 1927

Common Name (s)
Economic Importance and Threats

Habitat:  Benthic


• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.76) INDIA
• Orissa INDIA
• Tamil Nadu, Porto Novo INDIA

Literature Source(s)
  • Majumdar, N (1984) On a collection of birds from Adilabad district, Andhra Pradesh Occasional paper no 65 Records of the Zoological Survey of India ZSI 23012 Available at - ZSI, Pune
  • Wehe, T and Fiege, D (2002) Annotated checklist of the polychaete species of the seas surrounding the Arabian Peninsula: Red Sea, Gulf of Aden, Arabian Sea, Gulf of Oman, Arabian Gulf Fauna of Arabia 19 7-238 Available at -
  • Srikrishnadhas, B; Murugesan, P and Khan, SA (1998) Polychaetes of Parangipettai coast Annamalai University, Parangipettai 110 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Polychaetae of Humboldt Bay Humboldt Bay recreation & conservation district Available at -
  • Fauvel, P (1953) The fauna of India including Pakistan, Ceylon, Burma and Malaya: Annelida, Polychaeta The Indian press ltd., Allahabad 507 pp Available at - NIO, Goa
  • Srikrishnadhas, B; Ramamoorthi, K and Balasubrahmanyan, K (1987) Polychaetes of Porto Novo waters Journal of the Marine Biological Association of India The marine biological association of India 29(1&2) 134-139 Available at - NIO, Goa

Page last updated on:2011-04-13

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