Synonchium obtusum   Cobb,  1920 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Nematoda
Class: Adenophorea
Order:Chromadorida
Family:Selachinematidae

Description
Size: Length 1.8 – 2.0 mm long. Tail about 0.5 anal diameter long.

Cuticular punctation shows distinct horizontal differentiation. Labial papillae small and conical. Ten cephalic papillae are flat and button-like. Somatic setae are replaced by conical papillae. Circular pores present on body. Pharynx with 3 powerful jaws characteristic of the species. Amphid distinct and 2.5 spiral. Spicule in male is straight and 75 µm long. Accessory part indistinct. Tail very short and ends in a blunt point. Preanal papillae absent. Cuticular ridges occurring on either side of cloaca are supported by saccular papillae.


Synonym (s)
Synonchium obtusum Cobb, 1920

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Estuarine, Rocky, Sandy, Muddy, Coastal

Biogeography


• Andhra Pradesh, Vishakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Lakshadweep, Kavaratti INDIA (Record: 3/2/1987)
• Andaman and Nicobar Islands, West Bay INDIA (Record: 28/03/1990)
• Andaman and Nicobar Islands, Maly Island (Lat: 11.36) (Long: 92.53) INDIA
• Andaman and Nicobar Islands, Maly Island (Lat: 11.61) (Long: 92.71) INDIA
• Andaman and Nicobar Islands, Galathea Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Galathea Bay (Lat: 7.25) (Long: 93.93) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Peemaiah Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Peemaiah Bay (Lat: 7.25) (Long: 93.93) INDIA
• Andaman and Nicobar Islands, Rutland Island INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnet Bay INDIA

Literature Source(s)
  • 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
  • Rao, DVS (2005) Comprehensive review of the records of the biota of the Indian Seas and the introduction of non-indigenous species Aquatic Conservation: Marine and Freshwater Ecosystems John Wiley and Sons, Ltd. 15(2) 117-146 Available at - http://dx.doi.org/10.1002/aqc.659
  • 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 (1987) Meiofauna of the Marine National Park, South Andaman Journal of the Andaman Science Association Andaman Science Association, Port Blair 3(2) 88-97 Available at - NIO, Goa
  • Rao, GC (1988) Meiofauna of the intertidal sediments on Great Nicobar Journal of the Andaman Science Association Andaman Science Association, Port Blair 4 (2) 89-100 Available at - NIO, Goa
  • Rao, GC (1989) On some free living marine nematodes of the Bay Islands Journal of the Andaman Science Association Andaman Science Association, Port Blair 5(1) 1-22 Available at - NIO, Goa

Page last updated on:2011-06-24

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