Pseudorhabdosynochus summanae

Pseudorhabdosynochus summanae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Platyhelminthes
Class:	Monogenea
Order:	Dactylogyridea
Family:	Diplectanidae
Genus:	Pseudorhabdosynochus
Species:	P. summanae
Binomial name
	Pseudorhabdosynochus summanae; (Young, 1969)

Last updated August 17, 2024

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^[2] and transferred to the genus Pseudorhabdosynochus in 1986.^[1]

Description

Pseudorhabdosynochus summanae is a small monogenean, 0.3-0.5 mm in length.^[2] 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.^[1] The vagina includes a sclerotized part, which is a complex structure.

Etymology

The specific epithet of the species, summanae, is not clearly explained in the original publication,^[2] but obviously refers to the name of the host fish, Epinephelus summana .

Hosts and localities

The type-locality is off Heron Island (Queensland), Australia and the type-host is Epinephelus summana .^[2]

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References

1 2 3 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. PDF
1 2 3 4 Young, P. C. (1969). "Some Monogenoideans of the Family Diplectanidae Bychowsky, 1957 from Australian Teleost Fishes". Journal of Helminthology. 43 (1–2): 223–254. doi:10.1017/S0022149X00004053. ISSN 0022-149X. PMID 5381127. S2CID 39303396.

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[Kritsky1986-1] 1 2 3 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. PDF

[Young1969-2] 1 2 3 4 Young, P. C. (1969). "Some Monogenoideans of the Family Diplectanidae Bychowsky, 1957 from Australian Teleost Fishes". Journal of Helminthology. 43 (1–2): 223–254. doi:10.1017/S0022149X00004053. ISSN 0022-149X. PMID 5381127. S2CID 39303396.

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