Aspidosiphon steenstrupii   Diesing  1859 (Marine Worm)
Organism information awaits expert curation
Class: Phascolosomatidea

Trunk 30-50 mm long, thin-skinned in the mid-trunk region and brown to dark brown in color. Introvert three-fourths the trunk length, tipped with 15-18 tentacles arranged in a semicircular pattern dorsal to mouth, with 35-42 rows straight spines sparsely distributed at its proximal end. Anal shield ungrooved, with small dark brown granules. Caudal shield with complete and incomplete radial furrows. Longitudinal muscles grouped into 18-25 anastomosing bands visible externally. Retractor muscles single pair. Spindle muscle attached posteriorly. Nephridia about two-thirds as long as the trunk and partly attached to body wall.

Synonym (s)
Aspidosiphon steenstrupii Diesing 1859
Aspidosiphon steenstrupii Shipley 1903
Aspidosiphon (Paraspidosiphon) steenstrupii Cutler, Cutler and Nishikawa 1984

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Lakshadweep, Minicoy INDIA (Record: 12/12/1979)
• Lakshadweep, Bangaram INDIA (Record: 25/12/1979)
• Lakshadweep, Agatti INDIA (Record: 3/4/1984)
• Lakshadweep, Kavaratti INDIA (Record: 7/2/1986)
• Lakshadweep, Viringilli INDIA (Record: 17/02/1986)

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:08-04-09

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