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Abstract:

Stenurus globicephalae Baylis et Daubney, 1925 (Nematoda: Pseudaliidae) was found in the cranial air sinuses of a false killer whale, Pseudorca crassidens (Owen), stranded on the coast of Uruguay in 1999. Although this species has been reported once in P. crassidens from the North Atlantic, this is the first record for South America. A total of 920 specimens were obtained, of which 663 were females (body length: 4.34 ± 0.45 cm) and 257 were males (2.99 ± 0.18 cm). Morphometric details are presented for S. globicephalae in this host, which do not show significant differences from those parasitizing Globicephala melas (Traill), but are distinct from those parasitizing Peponocephala electra (Gray), The host's skull revealed loss of osseous mass with the disappearance of the left zygomatic arch, and the left jaw had three osseous fenestrations in the region related to the organ of acoustic reception. These lesions support the hypothesis that this infection, known as stenurosis, was related to the stranding.

Registro:

Documento: Artículo
Título:Stenurus globicephalae baylis et daubney, 1925 (Nematoda: Pseudaliidae) from a false killer whale, Pseudorca crassidens (Cetacea: Delphinidae), stranded on the coast of Uruguay
Autor:Zylber, M.I.; Failla, G.; Le Bas, A.
Filiación:Laboratorio de Helmintologia, Departamento de Ciencias Biologicas, Pabellón II, (C1428EHA) Buenos Aires, Argentina
Lab. de Zoologia de Invertebrados, Universidad de la República, Montevideo, Uruguay
Sección Fisiologia, Departamento de Biologia Animal, Universidad de la República, Montevideo, Uruguay
Palabras clave:Pseudaliidae; Pseudorca crassidens; Stenurus globicephalae; Stranding; Taxonomy; Uruguay; animal; article; classification; dolphin; female; histology; isolation and purification; male; nematode; parasitology; Uruguay; Animals; Dolphins; Female; Male; Nematoda; Uruguay
Año:2002
Volumen:97
Número:2
Página de inicio:221
Página de fin:225
DOI: http://dx.doi.org/10.1590/S0074-02762002000200015
Título revista:Memorias do Instituto Oswaldo Cruz
Título revista abreviado:Mem. Inst. Oswaldo Cruz
ISSN:00740276
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00740276_v97_n2_p221_Zylber.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00740276_v97_n2_p221_Zylber

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Citas:

---------- APA ----------
Zylber, M.I., Failla, G. & Le Bas, A. (2002) . Stenurus globicephalae baylis et daubney, 1925 (Nematoda: Pseudaliidae) from a false killer whale, Pseudorca crassidens (Cetacea: Delphinidae), stranded on the coast of Uruguay. Memorias do Instituto Oswaldo Cruz, 97(2), 221-225.
http://dx.doi.org/10.1590/S0074-02762002000200015
---------- CHICAGO ----------
Zylber, M.I., Failla, G., Le Bas, A. "Stenurus globicephalae baylis et daubney, 1925 (Nematoda: Pseudaliidae) from a false killer whale, Pseudorca crassidens (Cetacea: Delphinidae), stranded on the coast of Uruguay" . Memorias do Instituto Oswaldo Cruz 97, no. 2 (2002) : 221-225.
http://dx.doi.org/10.1590/S0074-02762002000200015
---------- MLA ----------
Zylber, M.I., Failla, G., Le Bas, A. "Stenurus globicephalae baylis et daubney, 1925 (Nematoda: Pseudaliidae) from a false killer whale, Pseudorca crassidens (Cetacea: Delphinidae), stranded on the coast of Uruguay" . Memorias do Instituto Oswaldo Cruz, vol. 97, no. 2, 2002, pp. 221-225.
http://dx.doi.org/10.1590/S0074-02762002000200015
---------- VANCOUVER ----------
Zylber, M.I., Failla, G., Le Bas, A. Stenurus globicephalae baylis et daubney, 1925 (Nematoda: Pseudaliidae) from a false killer whale, Pseudorca crassidens (Cetacea: Delphinidae), stranded on the coast of Uruguay. Mem. Inst. Oswaldo Cruz. 2002;97(2):221-225.
http://dx.doi.org/10.1590/S0074-02762002000200015