Anahemiurus manteri     (Marine Worm)
Organism information awaits expert curation
Class: Trematoda

Image copyrights: Government of India

Length: 1.07-1.77 mm.
Width: 0.36-0.52 mm.

Body small, oval, having a small tail. Tegument scaled on anterior half of body, posterior half and tail smooth. Ventral sucker round 0.16-0.21 in diameter situated 0.23 from anterior end of body. Oral sucker subterminal, 0.08-0.11 long, 0.17-0.21 mm wide, almost equal to ventral suckers. Sucker ratio- 1:1.32.
Prepharynx absent; pharynx small, 0.04-0.06 long, 0.04-0.05 wide, globular; oesophagus short. Intestinal caeca extending upto middle third of body.
Testes two, left testis 0.05-0.08 mm long, 0.14-0.18 mm wide, right testis 0.07-0.09 mm long, 0.12-0.18 mm wide, symmetrical, entire, oval, post-acetabular. Seminal vesicle thick-walled, ovoid, undivided,; pars prostatica long surrounded by prostate gland cells. Tubular hermaphroditic duct. Genital opening just posterior to interior to intestinal bifurcation.
Ovary entire, 0.06-0.12 mm long, 0.11-0.15 mm wide, post-testicular, equatorial. Seminal receptacle present. Vitellaria two compact masses, unlobed, post-ovarian. Uterus occupying most of middle of body. Eggs 16-24 µm x 12-16 µm.
Excretory vesicle 'y' shaped; arms united anterodorsal to pharynx.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Orissa, Chilika Lake INDIA

Literature Source(s)
  • Dutta, IB (1995) Platyhelminthes: Trematoda: Digenea Wetland ecosystem series 1: Fauna of Chilka lake ZSI, Calcutta 235-277 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-10-06

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