Thormora jukesii   Baird,  1865 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: Length 20-25 mm.

Colour: Dorsum brownish, elytra deep brown with scar of the elytrophore whitish. A patch of black pigment posterior to the bulbous enlargement of the tentacular and dorsal cirri.

Body short, prostomium bilobed with dark pigments in dorsal uncovered part and the three tentacles inserted terminally. Palps covered with short, slender papillae. Parapodia biramous, dorsal cirri with a bulbous enlargement at the distal end. Elytra slightly reniform with smooth margin. Notosetae of two kinds, i) stout, spinulose and ii) long, smooth capillaries. Neurosetae with 8-10 rows of spines, having unidentate tips. Twelve pairs of large, tough,' overlapping elytra, not fringed, leaving a portion of the back naked; covered with a few cylindrical, large tubercles and some smaller rounded ones. 25 setigerous segments and an anal segment carrying a pair of short anal cirri.Ventral setae unidentate with about eight small plates just below the tip.

Synonym (s)
Lepidonotus(Thormora) jukesi Fauvel, 1955
Lepidonotus(Thormora) jukesi Ben-Eliahu, 1977
Lepidonotus(Thormora) jukesi Fauvel, 1953
Lepidonotus(Thormora) jukesi Fauvel, 1957
Lepidonotus(Thormora) jukesi Fauvel, 1958
Lepidonotus jukesi Ben-Eliahu & Safriel, 1982
Polynoe(Lepidonotus) trissochaetus Ehrenberg & Grube in, 1869
Thormora jukesi Amoureux, 1981
Thormora julkesii Baird, 1865
Thormora julkesii Hanley & Burke, 1991
Thormora jukesi Baird, 1865
Lepidonotus jukesi (Baird, 1865)

Common Name (s)
Economic Importance and Threats



• Lakshadweep, Andrott INDIA (Record: 19/12/1979)
• Lakshadweep, Agatti INDIA (Record: 27/12/1979)
• Lakshadweep INDIA
• Gujarat INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Red Sea
• Andaman and Nicobar Islands, Car Nicobar INDIA

Literature Source(s)
  • Hartman, O (1974) Polychaetous annelids of the Indian Ocean including an account of species collected by members of the International Indian Ocean Expeditions, 1963-1964, and a catalogue and bibliography of the species from India. Part II Journal of the Marine Biological Association of India 16(2) 609-644 Available at - NCL, 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 -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Misra, A and Chakraborty, RK (1991) Annelida: Polychaeta State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 137-165 Available at - NIO, Goa
  • Ministry of the Environment Government of Japan Available at -
  • 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 -
  • 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 -

Page last updated on:2011-03-15

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