Uterovesiculurus thrissocli   Ahmad,  1980 (Marine Worm)
Organism information awaits expert curation
Class: Trematoda

Size: Length: 2.96-3.01 mm.
Width: 0.64-1.07 mm.

Body elongate; ecsoma present. Tegument serrated. Ventral sucker 0.41-0.76 mm long, 0.38-0.73 mm wide. Oral sucker subterminal 0.16-0.22 mm long, 0.17-0.30 mm wide.

pharynx 0.08-0.14 mm long, 0.09-0.14 mm wide. Oesophagus short; caeca extending into tail. Sucker ratio 1:2.70.
Testes diagonal, postacetabular, right testis 0.18-0.24 mm long, 0.21-0.36 mm wide, left testis 0.19-0.22 mm long, 0.22-0.27 mm wide. Seminal vesicle saccular, posterodorsal to acetabulum, pars prostatica surrounded by prostate gland cells near its distal portion only. Hermaphroditic duct long, narrow, enclosed in a hermaphroditic pouch, opening into tubular genital atrium. Genital pore near pharynx.
Ovary 0.17-0.22 mm long, 0.31-0.41 mm wide, submedian, Vitellaria consisting of seven tubular lobes. Uterus not extending into the tail. Eggs 16-20 µm x 8-12 µm.
Excretory sac 'y' shaped, arms united dorsal to pharynx.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Orissa, Balugaon INDIA (Record: 17/07/1986)
• 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 - http://www.marinespecies.org

Page last updated on:2010-10-08

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