Pseudorhabdosynochus inversus

Pseudorhabdosynochus inversus is a diplectanid monogenean parasitic on the gills of the halfmoon grouper, Epinephelus rivulatus. It was described in 2008, from only three specimens.[1]

Pseudorhabdosynochus inversus
Scientific classification
Kingdom:
Animalia
Phylum:
Platyhelminthes
Class:
Monogenea
Subclass:
Monopisthocotylea
Family:
Diplectanidae
Genus:
Pseudorhabdosynochus
Species:
inversus
Binomial name
Pseudorhabdosynochus inversus
Justine, 2008

Description

Pseudorhabdosynochus inversus is a small monogenean, 0.3 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.

Etymology

The name of the species, inversus, Latin for "turned upside down", was given in reference to the primary chamber of the vagina in comparison to the structure found in Pseudorhabdosynochus epinepheli.[1]

Hosts and localities
The halfmoon grouper, Epinephelus rivulatus, is the type-host of Pseudorhabdosynochus inversus

The type-locality is the Barrier Reef off Nouméa, New Caledonia.[1] The type-host is the halfmoon grouper, Epinephelus rivulatus.

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References
  1. Justine, Jean-Lou (2008). "Pseudorhabdosynochus inversus sp. nov. (Monogenea, Diplectanidae) from the halfmoon grouper Epinephelus rivulatus (Perciformes, Serranidae) off New Caledonia". Acta Parasitologica. 53 (4). doi:10.2478/s11686-008-0057-0. ISSN 1896-1851.
  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. PDF
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