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Ancyrocephalids of the genus Demidospermus Suriano, 1983 [Monogenea] parasites from siluriform fishes in Argentina, with descriptions of three new species

100%

Gutierrez P. A., Suriano D. M.

Acta Parasitologica

1992

tom 37

nr 4

Three new species belonging to the genus Demidospermus Suriano, 1983 are proposed. An emended diagnosis of that genus is provided. The anatomy of the new species is described. The number and type of cephalic glands and their taxonomic importance are considered.

A new species of Demidospermus Suriano, 1983 [Monogenea, Dactylogyridae] parasitic on Loricariichthys platymetopon Isbrucker et Nijssen [Loricariidae, Siluriformes] from the Upper Parana River floodplain, Brazil

80%

Ferrari-Hoeinghaus A. P., Bellay S., Takemoto R. M., Pavanelli G. C.

Acta Parasitologica

2010

tom 55

nr 1

16-19

Demidospermus paranaensis sp. nov. is described from the gills of Loricariichthys platymetopon Isbrücker et Nijssen (Loricariidae, Siluriformes) from the Upper Paraná River floodplain, Brazil. This new species differs from other members of Demidospermus in the following features: tegument with annulations throughout trunk and peduncle, eyes absent, longer male copulatory organ (MCO) with ovate base. Demidospermus paranaensis sp. nov. is similar to its congenerics by having tandem gonads, a counterclockwise-coiled MCO, non-articulated groove-like accessory piece serving as a MCO guide, sinistral vaginal aperture, and V-shaped haptoral bars.

A new species of Demidospermus (Platyhelminthes, Monogenea, Ancyrocephalidae) from the catfish Parapimelodus valenciennis in Samborombon Bay, Argentina

80%

Marcotegui P. S., Martorelli S. R.

Acta Parasitologica

2011

tom 56

nr 2

Demidospermus annulus sp. nov. (Platyhelminthes, Monogenea, Ancyrocephalidae) is described from the gills of the catfish Parapimelodus valenciennis Lütken collected in Samborombón Bay, Argentina. The new species differs from all congeneric species mainly by the structure of the accessory piece of the male copulatory organ, the sclerotized ring-shaped vaginal aperture and the dorsal bar articulation.

Ograniczanie wyników

3 Acta Parasitologica

1 Bellay S.

1 Ferrari-Hoeinghaus A. P.

1 Gutierrez P. A.

1 Marcotegui P. S.

1 Martorelli S. R.

1 Pavanelli G. C.

1 Suriano D. M.

1 Takemoto R. M.

1 2011

1 2010

1 1992

Wyniki wyszukiwania

Ancyrocephalids of the genus Demidospermus Suriano, 1983 [Monogenea] parasites from siluriform fishes in Argentina, with descriptions of three new species

A new species of Demidospermus Suriano, 1983 [Monogenea, Dactylogyridae] parasitic on Loricariichthys platymetopon Isbrucker et Nijssen [Loricariidae, Siluriformes] from the Upper Parana River floodplain, Brazil

A new species of Demidospermus (Platyhelminthes, Monogenea, Ancyrocephalidae) from the catfish Parapimelodus valenciennis in Samborombon Bay, Argentina