Issue |
Ann. Parasitol. Hum. Comp.
Volume 68, Number 3, 1993
|
|
---|---|---|
Page(s) | 125 - 127 | |
DOI | https://doi.org/10.1051/parasite/1993683125 | |
Published online | 12 August 2016 |
Mémoire
Redescription of the tail and fin folds of Echinostoma revolutum cercariae from its type locality (Trematoda : Echinostomatidae)
Queue et nageoires caudales de la cercaire d’Echinostoma revolutum (Trematoda : Echinostomatidae) dans la localité type
1
Institute of Zoology, University of Erlangen, Erlangen D-8520, Germany.
2
National Scientific and Research Counsil, Calcango 642, 1609 Boulogne, Argentina.
3
Scientific Research Counsil, Aptdo., 788, 24080 Leon, Spain.
Accepted: 8 January 1993
From its type locality in Germany, Echinostoma revolutum (Froelich, 1802) Dietz, 1909 have cercariae with long cylindrical tails, and typical slender finger-like tips. The tail surface bears seven independent fin folds arranged in three pairs : proximal dorso-ventral, distal dorso-ventral and ventro-lateral pairs, plus a single small papilla-like fold. Previous descriptions are inadequate due to incorrect interpretations or incomlete descriptions of the nature of the cercarial fin folds.
Résumé
Dans sa localité type, la queue de la cercaire d’Echinostoma revolutum est longue, cylindrique, avec une longue pointe digitiforme. Elle porte sept nageoires caudales indépendantes : une paire proximale dorso-ventrale, une paire distale ventro-dorsale, une paire distale ventro-latérale et un pli impair papilliforme. Les descriptions antérieures sont fausses par suite d’erreurs de descriptions ou d’erreurs de détermination.
Key words: Echinostoma revolutum / Cercaria / Tail and fin folds
Mots clés : Echinostoma revolutum / Cercaires / Nagesires caudales
© Masson, Paris 1993, transferred to Société Française de Parasitologie
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