Urodasys viviparus   Wilke,  1954 (Gastrotrich)
Organism information awaits expert curation

Size: Length 0.35 mm and width 0.05 mm. Tail reaches 0.9 mm in length.

Body elongate, vermiform and dorsoventrally flattened, with a long thread-like tail. Cuticle granular, thin and transparent. Dorsolateral epidermal glands present. Numerous lateral sensory bristles present. Numerous anterior, lateral and posterior adhesive tubes present. Pharynx forms 1/3 of the total gut length. Pharyngeal pores located at or about the mid-pharyngeal region. Developing embryo seen in mature specimens. Pestle organs present.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Benthic, Sandy, Coastal


• Andhra Pradesh, Vishakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Lakshadweep, Agatti INDIA (Record: 07/02/1987)
• Lakshadweep, Bangaram INDIA (Record: 10/02/1987)
• Andhra Pradesh, Waltair INDIA
• Orissa, Puri INDIA
• Andaman and Nicobar Islands, Mayabunder INDIA

Literature Source(s)
  • Zoological Survey of India (Eds) (1991) Animal resources of India (Protozoa to Mammalia) ZSI 1-694 Available at - NCL, Pune
  • 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
  • Chandrasekhara Rao, G (1974) On the geographical distribution of interstitial fauna of marine beach sand Indian Science Academy Bulletin 47 164-178
  • 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
  • Priyalakshmi, G and Menon, NR (2008) Indian marine Gastrotricha Available at - http://www.gastrotricha.unimore.it/Indian-marine.pdf
  • Sealifebase Available at - http://www.sealifebase.org/

Page last updated on:2010-11-22

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