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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 94, No. 1, 1999, pp. 37-52
Bioline Code: oc99011
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 94, No. 1, 1999, pp. 37-52

 en Scolex Morphology of Proteocephalid Cestodes Parasites of Neotropical Freshwater Fishes
Amilcar Arandas Rego

Abstract

The morphology of the scolices and metascolices of 29 proteocephalid species,
parasites of freshwater fishes from Brazil was compared by using scanning electron
microscope, light and laser microscopy. The following species were evaluated:
Proteocephalus vazzolerae, P. piramutab, Robertiella paranaensis, Travassiella avitellina,
Monticellia loyolai, M. spinulifera, M. belavistensis, Houssayela sudobim, Zygobothrium
megacephalum, Gibsoniela mandube, Cangatiella arandasi, Nomimoscolex sudobim, N. lopesi,
N. admonticellia, N. piraeeba, N. pirarara, Harriscolex kaparari, Crepidobothrium eirasi,
Spatulifer rugosa, Megathylacus brooksi, Choanoscolex abscisus, Amphoteromorphus
peniculus, A. piraeeba, Paramonticellia itaipuensis, Peltidocotyle rugosa, Othinoscolex lenha,
Rudolphiella rugata, R. piranabu, Jauella glandicephalus. 

Some features as overall shape of scolex, suckers, apical sucker, frontal glands and several kinds of metascolex were analyzed. The taxonomic importance of scolex and metascolex is discussed.

Keywords
Cestoda Proteocephalidea - parasites of freshwater fishes - South American fish parasites

 
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