Notomastus giganteus   Moore,  1906 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: 140 mm. and more, by 7 mm.

Body of large size. Prostomium rounded, with a small conical tip. Without eyes. Thoracic segments bi-annular and partly tessellated. Eleven segments with annulate and partly tessellated. Eleven segments with capillary dorsal and ventral setae. First abdominal dorsal tori very small, connected across the dorsum by a low transverse fold: posteriorly they become obsolete. First abdominal ventral tori ending in a sharp upper process which decreases in size farther back. Gills retractile and usually obscured anteriorly; on the middle and abdominal segments they become conspicuous bushy tufts, composed of numerous (about 20-30) filaments arising from the posterior end of the dorsal tori, or posteriorly, when the tori become obsolete, replacing them. A pair of large genital pores on the first 9 abdominal segments.

Synonym (s)
Dasybranchus giganteus Moore, 1909

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)
  • 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 -
  • 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
  • Sealifebase Available at -
  • 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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