Pseudorhabdosynochus querni

Pseudorhabdosynochus querni
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Platyhelminthes
Class:	Monogenea
Order:	Dactylogyridea
Family:	Diplectanidae
Genus:	Pseudorhabdosynochus
Species:	P. querni
Binomial name
	Pseudorhabdosynochus querni; (Yamaguti, S., 1968) Kritsky & Beverley-Burton, 1986

Last updated December 03, 2023

Pseudorhabdosynochus querni is a species of diplectanid monogenean parasitic on the gills of the grouper Epinephelus quernus . It was described in 1968 by Satyu Yamaguti under the name Diplectanum querni^[1] and transferred to the genus Pseudorhabdosynochus in 1986.^[2] The species has been redescribed in 2005 from the type-material.^[3]

Description

Pseudorhabdosynochus querni is a small monogenean, 0.45-0.7 mm in length.^[1] The species has the general characteristics of other species of Pseudorhabdosynochus , with a flat body and a posterior haptor, which is the organ by which the monogenean attaches itself to the gill of is host. The haptor bears two squamodiscs, one ventral and one dorsal. The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal chambers, as in other species of Pseudorhabdosynochus.^[2] The vagina includes a sclerotized part, which is a complex structure.^[1]^[3]

Etymology

The specific epithet of the species, querni, is not clearly explained in the original publication,^[1] but obviously refers to the name of the host fish, Epinephelus quernus .

Hosts and localities

The type-locality is off Hawaii and the type-host is the Hawaiian grouper Epinephelus quernus (recently classified as Hyporthodus quernus ).^[1]

Related Research Articles

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Pseudorhabdosynochus melanesiensis is a diplectanid monogenean parasitic on the gills of the grouper, Epinephelus merra. It was described in 1958 as Diplectanum melanesiensis then transferred to the genus Pseudorhabdosynochus by Kritsky & Beverley-Burton in 1986.

Pseudorhabdosynochus serrani is a species of diplectanid monogenean parasitic on the gills of a fish. It was described in 1953 by Satyu Yamaguti as Diplectanum serrani and later transferred to the genus Pseudorhabdosynochus. The species has been redescribed in 2005.

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Pseudorhabdosynochus summanae is a species of diplectanid monogenean parasitic on the gills of the grouper Epinephelus summana. It was described in 1969, from only four specimens, under the name Diplectanum summanae and transferred to the genus Pseudorhabdosynochus in 1986.

Pseudorhabdosynochus vagampullum is a species of diplectanid monogenean parasitic on the gills of a grouper. It was described in 1969, from eight specimens, under the name Diplectanum vagampullum and transferred to the genus Pseudorhabdosynochus in 1986. The species has been redescribed several times.

References

1 2 3 4 5 Yamaguti, S. (1968). Monogenetic Trematodes of Hawaiian Fishes. Honolulu: University of Hawaii Press.
1 2 Kritsky, D. C.; Beverley-Burton, M. (1986). "The status of Pseudorhabdosynochus Yamaguti, 1958, and Cycloplectanum Oliver, 1968 (Monogenea: Diplectanidae)". Proceedings of the Biological Society of Washington. 99: 17–20.
1 2 Yang, Tingbao; Gibson, David I.; Zeng, Bijian (2005). "Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with observations on several similar species of Pseudorhabdosynochus Yamaguti, 1958". Systematic Parasitology. 62 (3): 221–239. doi:10.1007/s11230-005-5497-4. ISSN 0165-5752. PMID 16315082. S2CID 7907556.

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[Yamaguti1968-1] 1 2 3 4 5 Yamaguti, S. (1968). Monogenetic Trematodes of Hawaiian Fishes. Honolulu: University of Hawaii Press.

[Kritsky1986-2] 1 2 Kritsky, D. C.; Beverley-Burton, M. (1986). "The status of Pseudorhabdosynochus Yamaguti, 1958, and Cycloplectanum Oliver, 1968 (Monogenea: Diplectanidae)". Proceedings of the Biological Society of Washington. 99: 17–20.

[TingbaoGibson2005-3] 1 2 Yang, Tingbao; Gibson, David I.; Zeng, Bijian (2005). "Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with observations on several similar species of Pseudorhabdosynochus Yamaguti, 1958". Systematic Parasitology. 62 (3): 221–239. doi:10.1007/s11230-005-5497-4. ISSN 0165-5752. PMID 16315082. S2CID 7907556.

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