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Cestodes in South American freshwater teleost fishes: keys to genera and brief description of species Zoologia
Rego,Amilcar Arandas; Chubb,James C; Pavanelli,Gilberto C.
Keys to genera of cestodes in South American freshwater teleost fishes are provided, with diagnoses of genera and short descriptions of species. Two new genera are proposed, Chambriella gen.n. for Goezeella agostinhoi Pavanelli & Santos, 1992 and G paranaensis Pavanelli & Rego, 1989, and Brooksiella gen.n. for Amphoteromorphus praeputialis Rego, Santos & Silva, 1974. Nomimoscolex magna Rego, Santos & Silva, 1974, previously species inquirenda, is transferred to the genus Proteocephalus Weinland, 1858. Goezeella nupeliensis Pavanelli & Rego, 1989 is considered a species inquirenda. Species and host lists are included.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cestoda; Proteocephalidea; Freshwater fishes; Parasitology.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000200003
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Influence of the type of environment and of the hydrological level variation in endoparasitic infrapopulations of Pseudoplatystoma corruscans (Agassiz) and Schizodon borelli (Boulenger) (Osteichthyes) of the high Paraná River, Brazil Zoologia
Machado,Marion H; Pavanelli,Gilberto C; Takemoto,Ricardo M.
One hundred and ten specimens of Pseudoplatystoma corruscans (Agassiz, 1829) (Pimelodidae), "pintado", and 582 specimens of Schizodon borelli (Boulenger, 1900) (Anostomidae), "piava", collected in the floodplain of the high Paraná River were analyzed. P. corruscans presented 74.54% of parasitism while S. borelli presented 19.42%. Results of the present research show that in the case of P. corruscans, two species of proteocephalideans presented a significant relationship with the type of environment with regard to prevalence. Spasskyelina spinulifera (Woodland, 1935) was the only species that presented a relationship between the intensity of infection and the environment. In S. borelli only Cucullanus pinnai Travassos. Artigas & Pereira, 1928...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ecology; Endohelminths; Freshwater fish; Environment.
Ano: 1995 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751995000400023
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Uma nova espécie de cestóide proteocefalídeo, Monticellia belavistensis, sp.n., parasita de Pterodoras granulosus (Valenciennes) (Pisces, Doradidae), do reservatório de Itaipu e rio Paraná, Paraná, Brasil Zoologia
Pavanelli,Gilberto C; Machado,Marion H; Takemoto,Ricardo M; dos Santos,Leonilda C.
In the present paper the authors describe and illustrate a new species of proteocephalidean cestode, Monticellia belavistensis, sp.n., parasite of a freshwater siluriform fish (thorny catfish). Pterodoras granulosus (Valenciennes, 1833), from the Itaipu Reservoir and Paraná River, in the region of Porto Rico. This is the first reference of a proteocephalid in this host. The values of prevalence and mean intensity of infection are given and the life cycle is discussed.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Proteocephalidea; Monticellia belavistensis; New species; Pterodoras granulosus; Paraná River; Ecology; Fish.
Ano: 1994 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751994000400001
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