Polylekithum percai n. sp. (Trematoda: Allocreadiidae) from Percichthys trucha (Perciformes: Percichthydae) in Patagonia, Argentina, and a redescription of Homalometron papilliferum (Szidat, 1956) n. comb

Two species of Digenea are recorded from the intestine of Percichthys trucha (Percichthydae) from Patagonian water bodies. Polylekithum percai n. sp. (Allocreadiidae) is distinguished by its body size, the relative size of the suckers, the anterior extension of the vitelline fields, the number of eg...

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Bibliographic Details
Published in:Systematic parasitology 2000-09, Vol.47 (1), p.51-57
Main Authors: Ostrowski de Nuñez, M, Brugni, N, Viozzi, G
Format: Article
Language:English
Subjects:
Allocreadiidae
Animals
Argentina
Fish
Fish Diseases - parasitology
Freshwater
Homalometron papilliferum
Paleontology
Percichthys trucha
Perciformes - parasitology
Polylekithum percai
Trematoda
Trematoda - anatomy & histology
Trematoda - classification
Trematode Infections - parasitology
Trematode Infections - veterinary
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Description
Summary:Two species of Digenea are recorded from the intestine of Percichthys trucha (Percichthydae) from Patagonian water bodies. Polylekithum percai n. sp. (Allocreadiidae) is distinguished by its body size, the relative size of the suckers, the anterior extension of the vitelline fields, the number of eggs in the uterus and the different species of fish host from the two previously described species of Polylekithum. Homalometron (= Austrocreadium) papilliferum (Szidat, 1956) n. comb. is redescribed. Due to its spined tegument and the absence of a cirrus-sac, this species is considered a member of the family Apocreadiidae.
ISSN:0165-5752
1573-5192
DOI:10.1023/A:1006497331377