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A critical study of two species of the genus Postorchigenes Tubangui, 1928 (Prosthodendriinae: Lecithodendriidae, Trematoda)

Anita Jhaa*,Umapati Sahayb, A.P.V.Khalkhoc & Fauzia Sadafd
*aDept. of Zoology, Gardanibagh Girls College, Gardanibagh, Patna, Bihar
bDept. of Zoology, R.U., Ranchi, Jharkhand
cDept. of Zoology., Chaibasa Womens College, Chaibasa, Jharkhand.
dDept. of Zoology, Gardanibagh Girls College, Patna
Received 30th May, 2013; Revised 26th June, 2013

Abstract : Postorchigenes monorchis was described by Talukdar & Varma (1986)2 (Published in J.Assam. Science Society) from the intestine of Hemidactylus sps. at Pathsala Assam where as Postorchigenes chauhani was described by Hasnain in 19893 & published in Dr.B.S.Chauhan Comm. Vol. While describing the former species, Talukdar & Varma (1986)2 committed certain mistakes such as not giving a scale in the camera lucida drawing provided, not showing bipartite vesicula seminalis interna, a long pars prostatica, a long narrow ejaculatory duct & the position of genital pore (though its presence has been mentioned in text to be just behind vesicula seminalis), also they did not provide any sketch of an egg. Besides irrelevant literatures have been cited in the reference part. The latter species described by Hasnain in 19893 also shows certain similarities with other species that its validity becomes questionable. On the basis of informations gathered the authors have critically examined the aforesaid species to judge their position & validity.

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