Karyakarita pambanense   (Karyakarte,  1968) (Marine Worm)
Organism information awaits expert curation
Class: Trematoda

Size: Length: 3.05-3.61 mm.
Width: 0.40-0.49 mm.

Body elongate. Tegument spinose. Ventral sucker round, 0.15-0.16 mm in diameter, situated at 0.72-0.81 mm from anterior end of the body. Oral sucker 0.24-0.30 mm long, 0.16-0.19 mm wide, funnel-shaped, larger than ventral sucker, 20-21 mm anteriorly directed oral tentacles on rim of mouth.

Prepharynx 0.13-0.17 mm long; pharynx 0.09-0.10 mm long, 0.08-0.09 mm wide; oesophagus 0.06-0.10 long; intestinal caeca extending upto posterior end of body forming a cyclocoel.
Testes two. tandem, entire, anterior testis 0.25-0.28 mm long, 0.18-0.20 mm wide, posterior testis 0.28-0.29 mm long, 0.19-0.20 mm wide. External seminal vesicle tubular, extending up to posterior end of Vitellaria. Cirrus sac present. Internal seminal vesicle bipartite, pars prostatica surrounded by prostate gland cells; cirrus muscular. Genital opening near pharynx.
Ovary 0.12-0.14 mm long, 0.11-0.16 mm wide, entire, pretesticular. Seminal receptacle present behind ovary. Vitellaria follicular, extending in between lower part of external seminal vesicle and posterior end of body. Uterus pre-overian; metraterm not differentiated. Eggs 57-77 µm x 45-65 µm.
Excretory vesicle tubular, excretory pore terminal.

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 - http://www.marinespecies.org

Page last updated on:2010-10-07

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