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Abstract:

Galaxitaenia n. gen. (Eucestoda: Pseudophyllidea) is proposed to accommodate Galaxitaenia toloi n. gen., n. sp. from Galaxias platei, a freshwater fish inhabiting Andean lakes in Argentine Patagonia. Galaxitaenia belongs to the Triaenophoridae because it possesses a marginal genital pore, a ventral uterine pore, and a follicular vitelline gland. The new genus can be distinguished from other triaenophorids by the following combination of characters: a scolex with a prominent rectangular apical disc without hooks, grooves, or indentations; neck present; segments wider than long to quadrangular; testes in 2 lateral fields, often connected anteriorly; cirrus unarmed; an ovary situated posteriorly; a vagina posterior to the cirrus sac; vitelline follicles medullary, in 2 ventral fields forming 2 wings interrupted medially; a uterus saccate to branched; and eggs without operculum. The types, distribution, and density of microtriches were analyzed on the surface of the tegument of scolex, neck, and immature segments. The presence of tumuli were observed on the apical disc of the scolex. Galaxitaenia toloi n. sp. is the first triaenophorid species recorded in a South American freshwater fish and the fourth helminth parasitizing the intestine of G. platei. © American Society of Parasitologists 2005.

Registro:

Documento: Artículo
Título:Galaxitaenia toloi n. gen., n. sp. (Eucestoda: Pseudophyllidea) from Galaxias platei (Pisces: Osmeriformes, Galaxiidae), in the Patagonian region of Argentina
Autor:Gil De Pertierra, A.A.; Semenas, L.G.
Filiación:Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA-Buenos Aires, Argentina
Laboratorio de Parasitología, Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, Quintral 1250, 8400-Bariloche, Argentina
Palabras clave:parasite; anatomy; Argentina; article; egg; Eucestoda; fish; Galaxias platei; Galaxitaenia toloi; helminth; nonhuman; ovary; scolex; South America; vagina; vitelline membrane; Animals; Argentina; Cestoda; Cestode Infections; Fish Diseases; Fresh Water; Microscopy, Electron, Scanning; Osmeriformes; Prevalence; Eucestoda; Galaxias platei; Galaxiidae; Osmeriformes; Pisces; Pseudophyllidea; Triaenophoridae; Vermes
Año:2005
Volumen:91
Número:4
Página de inicio:900
Página de fin:908
DOI: http://dx.doi.org/10.1645/GE-437R.1
Título revista:Journal of Parasitology
Título revista abreviado:J. Parasitol.
ISSN:00223395
CODEN:JOPAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v91_n4_p900_GilDePertierra

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Citas:

---------- APA ----------
Gil De Pertierra, A.A. & Semenas, L.G. (2005) . Galaxitaenia toloi n. gen., n. sp. (Eucestoda: Pseudophyllidea) from Galaxias platei (Pisces: Osmeriformes, Galaxiidae), in the Patagonian region of Argentina. Journal of Parasitology, 91(4), 900-908.
http://dx.doi.org/10.1645/GE-437R.1
---------- CHICAGO ----------
Gil De Pertierra, A.A., Semenas, L.G. "Galaxitaenia toloi n. gen., n. sp. (Eucestoda: Pseudophyllidea) from Galaxias platei (Pisces: Osmeriformes, Galaxiidae), in the Patagonian region of Argentina" . Journal of Parasitology 91, no. 4 (2005) : 900-908.
http://dx.doi.org/10.1645/GE-437R.1
---------- MLA ----------
Gil De Pertierra, A.A., Semenas, L.G. "Galaxitaenia toloi n. gen., n. sp. (Eucestoda: Pseudophyllidea) from Galaxias platei (Pisces: Osmeriformes, Galaxiidae), in the Patagonian region of Argentina" . Journal of Parasitology, vol. 91, no. 4, 2005, pp. 900-908.
http://dx.doi.org/10.1645/GE-437R.1
---------- VANCOUVER ----------
Gil De Pertierra, A.A., Semenas, L.G. Galaxitaenia toloi n. gen., n. sp. (Eucestoda: Pseudophyllidea) from Galaxias platei (Pisces: Osmeriformes, Galaxiidae), in the Patagonian region of Argentina. J. Parasitol. 2005;91(4):900-908.
http://dx.doi.org/10.1645/GE-437R.1