Polygordius madrasensis   Aiyar & Alikuhni,  1944 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Annelida
Class: Polychaeta
Order:Polychaeta incertae sedis
Family:Polygordiidae

Description
Size: Length 5.0 – 6.0 mm and diameter 0.16 mm. Tentacles 0.15 long. Anal cirri 0.07 mm long.

Color: White. Mature females are light brown in color

Body is with 40-60 segments which are externally indistinct. Hypodermal glands well developed. External ciliation absent. Head distinct with triangular anterior portion and broad posterior part. Two moderately long cephalic tentacles present. Eyes absent. Pygidium swollen with a pair of anal cirri shorter than cephalic tentacles. Anal lobes absent. Adhesive glands occur around pygidium in a band.

Sexes separate. Gonads develop from fifteenth segment onwards. Highly thigmotactic.

Remarks: In the possession of anal cirri, the present form is comparable to P. appendiculatus and P. ijimae



Synonym (s)
Polygordius madrasensis Aiyar and Alikunhi, 1944

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Sandy, Coastal

Biogeography


• Lakshadweep, Andrott INDIA (Record: 25/02/1983)
• Lakshadweep, Amini INDIA (Record: 27/02/1983)
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Lakshadweep INDIA
• INDIA
• Tamil Nadu, Chennai INDIA
• Andaman and Nicobar Islands, South Bay INDIA (Record: 26/03/1990)
• Andaman and Nicobar Islands, West Bay INDIA (Record: 28/03/1990)
• Tamil Nadu, Chennai beach INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Pulicat Lake INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Rao, GC (1991) Meiofauna State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 41-135 Available at - NIO, Goa
  • Rao, GC (1993) Littoral meiofauna of Little Andaman Records of the Zoological Survey of India. Occasional paper no. 155 ZSI, Calcutta 120 pp Available at - NIO, Goa
  • Aiyar, RG and Alikunhi, KH (1944) On some archiannelids of the Madras coast Proceedings of the National Institute of Sciences of India 10(1) Available at - http://www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/20005b8d_113.pdf
  • Raj, PJS (2006) Macro fauna of Pulicat lake NBA bulletin No.6 NBA Available at - http://www.nbaindia.org/docs/bulletin6-pulicatlake.pdf

Page last updated on:2011-03-03

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