Autolytus orientalis   Willey,  1905 (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

About 30 setigerous segments in the anterior or parent individual. The parapodia contain two acicula and numerous, upwards of 20 compound falcigerous setae; the head of the shaft is lanciniate and the appendix is minutely bidentate and minutely fringed. The dorsal cirri are rather short, lanceolate, petaloid, with strong basal articulation. The second dorsal cirrus, i.e., the cirrus of the first setiger, is the longest. The rounded reduced palps, joined together in the middle line along their own length are only visible from below. The pharynx is long and has a sigmoid flexure; it is armed in front with a circle of 44 denticles, larger and smaller irregularly alternating. The proventriculus shows 28 glandular rows.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Orissa, Chandipur INDIA
• Tamil Nadu, Pamban INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) 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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