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Abstract:

Two species of Orygmatobothrium were found inhabiting triakid sharks collected from the coast of Buenos Aires Province, Argentina. Orygmatobothrium schmittii from Mustelus schmitti is redescribed, including new information on the microtrich pattern. Orygmatobothrium juani n. sp. from Mustelus fasciatus can be distinguished from all other species in the genus using the following combination of characters: worm length, number of proglottids, number of testes, testes distribution, size of eggs, ornamented egg shell, shape of bothridial cleft at level of the marginal accessory sucker, and the extension of vitelline follicles. Species in Orygmatobothrium share a common microtrich pattern with the distal bothridial surface covered with maisiform microtriches interspersed with filiform microtriches, a proximal bothridial surface covered with trifid microtriches, with a medial projection conspicuously larger than the lateral basal projections interspersed with filiform microtriches, an inner and outer surface of the accessory sucker and glandulomuscular organ covered with short filiform microtriches, the scolex proper and cephalic peduncle surface covered with bladelike microtriches, and the germinative zone and entire strobila covered with scutes formed by densely packed filiform microtriches. This general configuration is basically similar to the microtrich pattern described in species of Orectolobicestus and Paraorygmatobothrium. © American Society of Parasitologists 2008.

Registro:

Documento: Artículo
Título:Orygmatobothrium spp. (Cestoda: Tetraphyllidea) from triakid sharks in Argentina: Redescription of Orygmatobothrium schmittii and description of a new species
Autor:Ivanov, V.A.
Filiación:Laboratorio de Helmintología, Departamento de Biodiversidad Y Biología Experimental, Lab. 52, C1428EHA, Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Argentina
Palabras clave:coastal zone; eggshell; flatworm; fossil record; morphology; new species; paleobiology; reconstruction; shark; Argentina; article; cestode; egg shell; egg size; nonhuman; Orygmatobothrium juani; Orygmatobothrium schmittii; ovary follicle; scolex; shark; testis; Animals; Argentina; Cestoda; Cestode Infections; Fish Diseases; Microscopy, Electron, Scanning; Sharks; Argentina; Buenos Aires [Argentina]; South America; Cestoda; Chondrichthyes; Mustelus fasciatus; Mustelus schmitti; Paraorygmatobothrium; Tetraphyllidea; Triakidae
Año:2008
Volumen:94
Número:5
Página de inicio:1087
Página de fin:1097
DOI: http://dx.doi.org/10.1645/GE-1482.1
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_v94_n5_p1087_Ivanov

Referencias:

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Citas:

---------- APA ----------
(2008) . Orygmatobothrium spp. (Cestoda: Tetraphyllidea) from triakid sharks in Argentina: Redescription of Orygmatobothrium schmittii and description of a new species. Journal of Parasitology, 94(5), 1087-1097.
http://dx.doi.org/10.1645/GE-1482.1
---------- CHICAGO ----------
Ivanov, V.A. "Orygmatobothrium spp. (Cestoda: Tetraphyllidea) from triakid sharks in Argentina: Redescription of Orygmatobothrium schmittii and description of a new species" . Journal of Parasitology 94, no. 5 (2008) : 1087-1097.
http://dx.doi.org/10.1645/GE-1482.1
---------- MLA ----------
Ivanov, V.A. "Orygmatobothrium spp. (Cestoda: Tetraphyllidea) from triakid sharks in Argentina: Redescription of Orygmatobothrium schmittii and description of a new species" . Journal of Parasitology, vol. 94, no. 5, 2008, pp. 1087-1097.
http://dx.doi.org/10.1645/GE-1482.1
---------- VANCOUVER ----------
Ivanov, V.A. Orygmatobothrium spp. (Cestoda: Tetraphyllidea) from triakid sharks in Argentina: Redescription of Orygmatobothrium schmittii and description of a new species. J. Parasitol. 2008;94(5):1087-1097.
http://dx.doi.org/10.1645/GE-1482.1