The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp.

Arredondo, N.J.; Gil De Pertierra, A.A.

doi:10.1007/s11230-008-9142-x

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Arredondo, N.J.; Gil De Pertierra, A.A. "The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp." (2008) Systematic Parasitology. 70(3):223-236

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Abstract:

de Chambrier & Vaucher (1999) compared the proteocephalidean cestode Spatulifer maringaensis Pavanelli & Rego, 1989 from Hemisorubim platyrhynchos (Valenciennes) with similar specimens, which they described as S. cf. maringaensis, parasitising Sorubim lima (Bloch & Schneider) collected in the Paraná and Paraguay Rivers. No remarkable differences between these worms were found by these authors, except for the scolex diameter and a different infection rate in each fish host. In order to elucidate the taxonomic status of the fish cestode Spatulifer cf. maringaensis from Sorubim lima, type and voucher material of S. maringaensis from H. platyrhynchos, and voucher and new material recently collected from Sorubim lima in Argentina are described in terms of their internal morphology and tegumental surface. During the study, mature and gravid worms with smaller metascoleces were found among voucher specimens from both hosts and in the new material from S. lima. The number of testes in the type-material was difficult to assess, but it could be determined in the voucher material from the type-host as being within the range of the specimens from S. lima. Both taxa are morphologically identical and can therefore be considered as conspecific. The data on their parasitological indices support the idea that S. lima is the principal final host and H. platyrhynchos is a secondary final host. Spatulifer maringaensis is widespread throughout the Paraná basin. A comparison of the microthrix pattern of S. maringaensis with that of S. rugosa (Woodland, 1935) revealed that they have the same type of microtriches, but with a different distribution, size and density. Tumuli were observed for the first time in a Neotropical taxon. Some studies have shown that the microthrix pattern is useful for characterising and discriminating species of the Proteocephalidea, and it was used herein as a tool for determining the conspecificity of S. cf. maringaensis with S. maringaensis. © 2008 Springer Science+Business Media B.V.

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Documento:	Artículo
Título:	The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp.
Autor:	Arredondo, N.J.; Gil De Pertierra, A.A.
Filiación:	Departamento de Biodiversidad Y Biología Experimental, Facultad de Ciencias Exactas Y Naturales, Pabellón II, C1428EHA Buenos Aires, Argentina
Palabras clave:	animal; animal disease; article; catfish; cestode; cestodiasis; classification; female; fish disease; histology; male; parasitology; species difference; Animals; Catfishes; Cestoda; Cestode Infections; Female; Fish Diseases; Male; Species Specificity; Candidatus Microthrix; Cestoda; Eucestoda; Hemisorubim platyrhynchos; Pisces; Proteocephalidea; Siluriformes; Sorubim lima; Spatulifer; Spatulifer maringaensis
Año:	2008
Volumen:	70
Número:	3
Página de inicio:	223
Página de fin:	236
DOI:	http://dx.doi.org/10.1007/s11230-008-9142-x
Título revista:	Systematic Parasitology
Título revista abreviado:	Syst. Parasitol.
ISSN:	01655752
CODEN:	SYPAD
Registro:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01655752_v70_n3_p223_Arredondo

Referencias:

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Citas:

---------- APA ----------

Arredondo, N.J. & Gil De Pertierra, A.A. (2008) . The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp. Systematic Parasitology, 70(3), 223-236.
http://dx.doi.org/10.1007/s11230-008-9142-x

---------- CHICAGO ----------

Arredondo, N.J., Gil De Pertierra, A.A. "The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp." Systematic Parasitology 70, no. 3 (2008) : 223-236.
http://dx.doi.org/10.1007/s11230-008-9142-x

---------- MLA ----------

Arredondo, N.J., Gil De Pertierra, A.A. "The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp." Systematic Parasitology, vol. 70, no. 3, 2008, pp. 223-236.
http://dx.doi.org/10.1007/s11230-008-9142-x

---------- VANCOUVER ----------

Arredondo, N.J., Gil De Pertierra, A.A. The taxonomic status of Spatulifer cf. maringaensis Pavanelli & Rego, 1989 (Eucestoda: Proteocephalidea) from Sorubim lima (Bloch & Schneider) (Pisces: Siluriformes), and the use of the microthrix pattern in the discrimination of Spatulifer spp. Syst. Parasitol. 2008;70(3):223-236.
http://dx.doi.org/10.1007/s11230-008-9142-x