Pygidiopsis pindoramensis Travassos, 1928, is redescribed from the holotype and specimens obtained from experimental infections of hamsters with metacercariae of the naturally infected poeciliids Poecilia vivipara and Phalloptychus januarius from Rio de Janeiro, Brazil. Ascocotyle (Phagicola) pindoramensis (Travassos, 1928) n. comb. is proposed, based on the presence of a solid, tapering muscular posterior prolongation of the oral sucker and Ascocotyle (Phagicola) mollienisicola (Sogandares-Bernal and Bridgman, 1960) is synonymized with A. (P.) pindoramensis because of the identical morphology and measurements of adults and metacercariae, similar spectrum of fish intermediate hosts (poeciliids), and the same site of infection of the metacercariae. Trematodes designated as Pygidiopsis pindoramensis, previously reported from Argentina and Mexico, represent another species of Pygidiopsis Looss, 1907, because they possess circumoral spines and their oral sucker is devoid of the posterior muscular prolongation. Data on the surface morphology of metacercariae and adults of A. (P.) pindoramensis are inferred from scanning electron microscopy observations.
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June 2006
Research Article|
June 01 2006
TAXONOMIC STATUS, REDESCRIPTION, AND SURFACE ULTRASTRUCTURE OF ASCOCOTYLE (PHAGICOLA) PINDORAMENSIS N. COMB. (DIGENEA: HETEROPHYIDAE)
Susana Balmant Emerique Simões;
Susana Balmant Emerique Simões
Laboratório de Avaliação e Promoção da Saúde Ambiental, Departamento de Biologia, Instituto Oswaldo Cruz, Fundação Owaldo Cruz, Av. Brasil 4365, Rio de Janeiro, 21040-900, Brazil. cpsantos@ioc.fiocruz.br
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Tomáš Scholz;
Tomáš Scholz
Laboratório de Avaliação e Promoção da Saúde Ambiental, Departamento de Biologia, Instituto Oswaldo Cruz, Fundação Owaldo Cruz, Av. Brasil 4365, Rio de Janeiro, 21040-900, Brazil. cpsantos@ioc.fiocruz.br
* Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
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Helene Santos Barbosa;
Helene Santos Barbosa
Laboratório de Avaliação e Promoção da Saúde Ambiental, Departamento de Biologia, Instituto Oswaldo Cruz, Fundação Owaldo Cruz, Av. Brasil 4365, Rio de Janeiro, 21040-900, Brazil. cpsantos@ioc.fiocruz.br
† Laboratório de Biologia Estrutural, Departamento de Ultra-estrutura e Biologia Celular, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brasil 4365, Rio de Janeiro, 21045-900, Brazil
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Cláudia Portes Santos
Cláudia Portes Santos
Laboratório de Avaliação e Promoção da Saúde Ambiental, Departamento de Biologia, Instituto Oswaldo Cruz, Fundação Owaldo Cruz, Av. Brasil 4365, Rio de Janeiro, 21040-900, Brazil. cpsantos@ioc.fiocruz.br
‡ To whom correspondence should be addressed
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J Parasitol (2006) 92 (3): 501–508.
Citation
Susana Balmant Emerique Simões, Tomáš Scholz, Helene Santos Barbosa, Cláudia Portes Santos; TAXONOMIC STATUS, REDESCRIPTION, AND SURFACE ULTRASTRUCTURE OF ASCOCOTYLE (PHAGICOLA) PINDORAMENSIS N. COMB. (DIGENEA: HETEROPHYIDAE). J Parasitol 1 June 2006; 92 (3): 501–508. doi: https://doi.org/10.1645/GE-757R.1
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