Theristus tortuosa   Timm,  1961 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Nematoda
Class: Adenophorea
Order:Monhysterida
Family:Xyalidae

Description
Size: Male: 1.2 mm long.

Cuticle moderately striated anteriorly and coarsely striated on the rest of the body. Head diameter 20 µm. Lips conspicuous with labial papillae. Stoma simple, 10 µm deep and unsclerotized. Ten cephalic setae 10-15 µm long. Cervical setae indistinct. Amphid conspicuous, spiral with 3 turns, 0.3 head diameter wide and situated 26 µm from anterior end. Oesophagus without distinct posterior bulb. Nerve ring 46 %. Tail conical-cylindrical and 4.2 anal diameters long with 2 terminal spines. Spicule in male 46 µm long, cephalated and bent at right angles. Gubernaculum a vertical piece 25 µm long.


Synonym (s)
Theristus tortuosa Timm, 1961

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Estuarine, Muddy, Coastal

Biogeography


• Andaman and Nicobar Islands, Bomila Creek INDIA (Record: 19/03/1990)
• Bay of Bengal
• Andaman and Nicobar Islands, Bamboo Flat (Lat: 11) (Long: 92.75) INDIA
• Andaman and Nicobar Islands, Bamboo Flat (Lat: 11.5) (Long: 92.6) INDIA
• Andaman and Nicobar Islands, Wright Myo INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnington Bay 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 (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, GC (1986) Meiofauna of the Mangrove sediments in South Andaman Journal of the Andaman Science Association Andaman Science Association, Port Blair 2(2) 23-32 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:2011-06-27

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