Baccigeroides hafeezullai     (Marine Worm)
Organism information awaits expert curation
Class: Trematoda

Image copyrights: Government of India

Size: Length: 0.76-0.81 mm.
Width: 0.44-0.48 mm.

Body small, oval. Tegument aspinose. Ventral sucker 0.06-0.08 mm in diameter, situated at 0.19-0.24 mm from anterior end of body. Oral sucker terminal, subspherical, 0.05-0.06 mm long, 0.07-0.09 mm wide, almost equal to ventral sucker. Sucker ratio almost 1:1.

Prepharynx short; pharynx small, 0.03-0.04 mm long, 0.03-0.05 mm wide. Oesophagus half long, narrow, bifurcating at 0.18-0.20 mm from anterior end of body. Intestinal caeca short, reaching upto level of testes.
Testes two, entire, symmetrical, oval, post-acetabular 0.09-0.10 mm long and 0.08-0.09 mm wide. Cirrus sac ovoid, situated on right side of body near pharynx and anterodorsal to caecal bifurcation. Internal seminal vesicle saccular, unipartite; parsprostatica surrounded by prostate gland cells; ejaculatory duct short. Genital pore pharyngeal in position, submedian and dextral.
Ovary oval, entire, anterior to right testis, 0.282-0.084 long, 0.073-0.076 wide. Seminal receptacle anterodorsal to ovary. Vitellaria follicular, forming bunches, eight follicles in each bunch, symmetrical, anterodorsal to intestinal caeca in anterior one third of body. Uterus voluminous, filling most of hind body. Eggs small, 20-24 µm x 6-20 µm.
Excretory vesicle 'y' shaped, arms reaching upto level of oesophagus.

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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