Gyratrix hermaphroditus   Ehrenberg,  1831 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Platyhelminthes
Class: Rhabditophora
Order:Rhabdocoela
Family:Polycystididae

Description
Size: Length 1.8 – 2.0 mm and maximum width 0.3 mm

Small unsegmented worms with spindle-shaped body. Pharynx bulbose and opens ventrally about half the length of body. A protrusible, glandulomuscular undivided proboscis present at the anterior end. Two dark eyes occur behind proboscis. Testis tubular and runs anteriorly. Copulatory bursa with a chitinous lining. Penis stylet enclosed in a sheath at the posterior end. Gonads occur lateral to the gut.


Synonym (s)
Gyratrix hermaphroditus Ehrenberg, 1831
Derostoma notops Dugs, 1828
Gyrator banaticum Jensen, 1878
Gyrator furiosus Diesing, 1862
Gyrator hermaphroditus Ehrenberg, 1837
Gyrator notops Hallez, 1894
Gyratrix albus Siliman, 1884
Gyratrix arenarius Evdonin, 1971
Gyratrix notops Hallez, 1900
Prostoma lineare Oersted, 1843
Prostoma lineare Schmidt, 1848
Prostomum banaticum Graff, 1875
Prostomum furiosum Schmidt, 1858
Prostomum lineare Schmidt, 1848
Turbella notops Diesing, 1862

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Sandy, Coastal

Biogeography


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Andhra Pradesh, Vishakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Lakshadweep, Agatti INDIA (Record: 7/2/1987)
• Andaman and Nicobar Islands, Bomila Creek INDIA (Record: 19/03/1990)
• Andaman and Nicobar Islands, Great Nicobar, Ranganatha Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Ranganatha Bay (Lat: 7.25) (Long: 93.93) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnington Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnington Bay (Lat: 7.25) (Long: 93.93) 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

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 (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

Page last updated on:2011-06-21

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