Anoplostoma viviparum   (Bastian,  1865) (Marine Worm)
Organism information awaits expert curation
Class: Adenophorea

A-Male head; B-Male tail; C-Copulatory apparatus

Size: Total length 0.9-1.1 mm.

Body broadest in middle and attenuated at anterior and posterior ends. Cuticle smooth; somatic setae absent; six labial papillae; six 4 µm cephalic setae situated just anterior to four shorter setae (3 µm). Amphids cup-shaped, 4-5 µm wide. Buccal cavity cylindrical; no teeth. Oesophageal tissue does not surround the buccal cavity. Oesophagus increases in width posteriorly but no bulb. Nerve ring at 50-60 % of oesophagus length. Tail long and tapering, 8-10.8 a.b.d. Two opposed, reflexed ovaries. Eggs of mature females characteristically contain developing larvae. Gubernaculum short paired structures. Two longitudinal cuticular ridges supported by spines lie either side of cloaca. Testes paired, opposed. Vulva about half the body length.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine


• Tamil Nadu, Pichavaram INDIA
• Tamil Nadu, Parangipettai Coast INDIA
• Tamil Nadu, Parangipettai (Lat: 11.48) (Long: 79.76) INDIA (Record: 30/01/2002)

Literature Source(s)
  • Chinnadurai, G and Fernando, OJ (2007) Meiofauna of mangroves of the southeast coast of India with special reference to the free-living marine nematode assemblage Estuarine Coastal and Shelf Science 72 329-336
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Chinnadurai, G and Fernando, OJ (2006) New records of five free-living marine nematodes from an artificial mangrove of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 48(1) 105-107 Available at - NIO, Goa
  • Platt, HM and Warwick, RM (1983) Free living marine nematodes part I British enoplids Linnean society of London and the estuarine and brackish-water sciences association 28 307pp Available at - NIO, Goa
  • Platt, HM and Warwick, RM (1983) Free living marine nematodes Part I British Enoplids Linnean Society of London and the Estuarine and Brackish-water Sciences Association 28 307pp Available at - NIO, Goa

Page last updated on:2011-11-14

Back to Search