Pseudorhabdosynochus vascellum

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Pseudorhabdosynochus vascellum
Parasite150040-fig12 Pseudorhabdosynochus vascellum Kritsky, Bakenhaster & Adams, 2015 - FIGS 89-96.tif
Body and sclerotised parts
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Monogenea
Order: Dactylogyridea
Family: Diplectanidae
Genus: Pseudorhabdosynochus
Species:
P. vascellum
Binomial name
Pseudorhabdosynochus vascellum
Kritsky, Bakenhaster & Adams, 2015

Pseudorhabdosynochus vascellum is a diplectanid monogenean parasitic on the gills of the scamp, Mycteroperca phenax . It has been described by Kritsky, Bakenhaster and Adams in 2015. [1]

Contents

Description

Pseudorhabdosynochus vascellum is a small monogenean. 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 specific name (a noun) is from Latin (vascellum = a small vessel) and refers to the small chamber of the vaginal sclerite. [1]

Diagnosis

Kritsky, Bakenhaster & Adams (2015) wrote that Pseudorhabdosynochus vascellum belongs to the group of species of Pseudorhabdosynochus parasitizing groupers assigned to Mycteroperca and characterized by having a distally reflexed tube and a single chamber in the vaginal sclerite. The group includes P. kritskyi , P. capurroi , P. vascellum, P. contubernalis , P. hyphessometochus , and P. mycteropercae . Except for P. hyphessometochus, P. vascellum is easily distinguished from these species by its small thick-walled chamber of the vaginal sclerite having a meager cavity. Pseudorhabdosynochus hyphessometochus also possesses a vaginal sclerite with a thick wall of the chamber, but the cavity of the chamber in this species is comparatively large. Pseudorhabdosynochus vascellum is probably closest morphologically to P. contubernalis by possessing a delicate, almost nonexistent cone of the male copulatory organ. [1]

Hosts and localities

The scamp, Mycteroperca phenax is the type-host of Pseudorhabdosynochus vascellum Juvenile scamp ( Mycteroperca phenax ) NOAA.jpg
The scamp, Mycteroperca phenax is the type-host of Pseudorhabdosynochus vascellum

The type-host and only recorded host of Pseudorhabdosynochus vascellum is the scamp, Mycteroperca phenax (Serranidae: Epinephelinae). The type-locality, and only known locality, is Pinnacles Reef System, off Mississippi Sound, South of Pascagoula, Mississippi. [1]

Related Research Articles

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<i>Pseudorhabdosynochus meganmarieae</i> Species of flatworm

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<i>Pseudorhabdosynochus contubernalis</i> Species of flatworm

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<i>Pseudorhabdosynochus monaensis</i> Species of flatworm

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<i>Pseudorhabdosynochus mycteropercae</i> Species of flatworm

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<i>Pseudorhabdosynochus williamsi</i> Species of flatworm

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<i>Pseudorhabdosynochus mizellei</i> Species of flatworm

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<i>Pseudorhabdosynochus bunkleywilliamsae</i> Species of flatworm

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<i>Pseudorhabdosynochus tumeovagina</i> Species of flatworm

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<i>Pseudorhabdosynochus beverleyburtonae</i> Species of flatworm

Pseudorhabdosynochus beverleyburtonae is a diplectanid monogenean parasitic on the gills of the dusky grouper, Epinephelus marginatus. It has been described by Guy Oliver in 1984 as Cycloplectanum beverleyburtonae, redescribed by Oliver in 1987, transferred to the genus Pseudorhabdosynochus by Kritsky & Beverley-Burton in 1986 as Pseudorhabdosynochus beverleyburtonae, redescribed by Kritsky, Bakenhaster and Adams in 2015, and redescribed in 2016 by Chaabane, Neifar, Gey & Justine.

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References

  1. 1 2 3 4 Kritsky, Delane C.; Bakenhaster, Micah D.; Adams, Douglas H. (2015). "Pseudorhabdosynochus species (Monogenoidea, Diplectanidae) parasitizing groupers (Serranidae, Epinephelinae, Epinephelini) in the western Atlantic Ocean and adjacent waters, with descriptions of 13 new species". Parasite. 22: 24. doi:10.1051/parasite/2015024. ISSN   1776-1042. PMC   4536336 . PMID   26272242. Open Access logo PLoS transparent.svg
  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 Open Access logo PLoS transparent.svg
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