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On a trematode of the genus Echinochasmus Dietz, 1909, with remarks on the species occurring in Indian carnivores

Published online by Cambridge University Press:  06 April 2009

V. P. Gupta  and
B. P. Pande
V. P. Gupta
Affiliation:
Department of Parasitology, U.P. College of Veterinary Science and Animal Husbandry, Mathura, U.P., (India)
B. P. Pande
Affiliation:
Department of Parasitology, U.P. College of Veterinary Science and Animal Husbandry, Mathura, U.P., (India)
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Extract

In a survey on the worm parasites of cats in Calcutta, Chandler (1925) mentioned the common occurrence in dogs also of Echinochasmus perfoliatus (Ratz, 1908) which has also been listed by Bhalerao (1935) in cat, dog and man. According to Verma (1935), the dogs at Calcutta harboured three distinct flukes—a species of Echinochasmus, a heterophyid and a third species described by him under a new genus, Episthochasmus, as E. caninum. In a survey of the helminth parasites of pariah dogs examined at Calcutta, Mapleston & Bhaduri (1940) included Echinochasmus sp. amongst the six new records from India. Chatterji (1954) regarded Episthochasmus as a synonym of Episthmium Lühe, 1909 and Stephanoprora Odhner, 1911, Echinochasmus and Episthmium Lühe, 1909 as subgenera of Echinochasmus. A new species, based on two specimens collected from the intestine of pariah dog at Allahabad, was described as E. (Echinochasmus) canai. Relying on the character of the forward extension of vitelline follicles, Stephanoprora was to include forms with vitellaria extending to the posterior margins of anterior testis, Echinochasmus forms with vitelline follicles extending beyond the anterior testis but not anterior to the anterior margin of ventral sucker and Episthmium forms with follicles extending beyond the anterior margin of this sucker. Thus, Verma's species was named as E. (Episthmium) caninum.

Type
Research Article
Information
Parasitology , Volume 53 , Issue 1-2 , May 1963 , pp. 169 - 175
Copyright
Copyright © Cambridge University Press 1963

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References

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