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Studies on Larval Trematodes Infecting Freshwater Snails in London (U.K.) and Some Adjoining Areas:Part I.—Echinostome Gercariae

Published online by Cambridge University Press:  05 June 2009

D. Khan
D. Khan
Affiliation:
From the Department of Parasitology, London School of Hygiene and Tropical Medicine
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Extract

Seven species of Echinostome cercariae are recorded from London ponds and rivers. Two of these, C. Z. Rees and C. echinoparyphii recurvati Mathias have already been described from other parts of Britain. The rest are new species. C. londonensis n.sp., C. deficipinnatum n.sp. are thirty-seven spined and C. essexensis n.sp. has forty-nine spines. C. hamptonensis n. sp., and C. thamesensis n. sp. are both large-tailed Echinostome cercariae, with twenty collar spines.

The possibility of using snails as second intermediate hosts by C. hamptonensis, a large-tailed Echinostome cercaria is shown to be highly improbable.

The classification of Echinostome cercariae is discussed.

Type
Research Article
Information
Journal of Helminthology , Volume 34 , Issue 3-4 , September 1960 , pp. 277 - 304
Copyright
Copyright © Cambridge University Press 1960

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