Sipunculus indicus   Peters  1850 (Marine Worm)
Organism information awaits expert curation
Class: Sipunculidea

Trunk 260-450 mm long and 13.5–27 mm wide. Introvert mostly retracted inside, 10-26 mm long. Tentacular membrane divided into six lappets enclosing the central mouth. Longitudinal muscle layer separated into 35-44 rarely anastomosing bands. Circular muscle layer also divided into separate bands. Retractor muscles two pairs, arising almost at same level from anterior one-sixth to one-tenth of trunk length. Rectum with a tuberous caecum. Spindle muscle arising from ventral wall of rectum and free posteriorly. Contractile vessel paired and without villi. Nephridia more or less completely attached and opening posterior to anus.

Synonym (s)
Sipunculus indicus Cutler and Cutler 1985
Sipunculus indicus Shipley 1903
Sipunculus indicus Peters 1850

Common Name (s)
Economic Importance and Threats



• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Lakshadweep (Lat: 10.5) (Long: 73) INDIA
• Lakshadweep, Minicoy INDIA (Record: 18/12/1979)
• Lakshadweep, Bangaram INDIA (Record: 7/4/1984)
• Lakshadweep, Minicoy INDIA (Record: 18/02/1986)

Literature Source(s)
  • Alfred, JRB; Das, AK and Sanyal, AK (Eds.) (1998) Faunal diversity in India ZSI, Calcutta 1-497 Available at - NCL, Pune
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Haldar, BP (1991) Sipuncula State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 167-183 Available at - NIO, Goa

Page last updated on:2010-10-12

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