| Lagenivaginopseudobenedenia | |
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| 3 Lagenivaginopseudobenedenia sp. on the gill of a deepwater longtail red snapper | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Class: | Monogenea |
| Order: | Capsalidea |
| Family: | Capsalidae |
| Genus: | Lagenivaginopseudobenedenia Yamaguti, 1966 |
Lagenivaginopseudobenedenia is a genus of monopisthocotylean monogenean (a group of ectoparasitic flatworms), included in the family Capsalidae. The type-species of the genus is Lagenivaginopseudobenedenia etelis Yamaguti, 1966. The genus includes only 2 species, which are both parasitic on the gills of marine fish of the family Lutjanidae.
Morphology
Species of the genus Lagenivaginopseudobenedenia are, like most monogeneans of the family Capsalidae, flat with a posterior disc-shaped haptor which attaches to the gill of their host. Their distinctive feature is a “vagina lageniform, between uterus and right intestinal limb, opening almost midventrally behind cirrus pouch”.
Etymology and curiosity of zoological nomenclature
The etymology of this extremely long name involves three steps:
- Satyu Yamaguti, in 1966, wrote that the “compound generic name Lagenivaginopseudobenedenia refers to the lageniform vagina and close relationship to Pseudobenedenia”.
- The name of the genus Pseudobenedenia Johnston, 1931 itself was previously formed from the prefix ‘Pseudo-’ and the genus name Benedenia by Thomas Harvey Johnston in 1931. ‘Pseudo-’ (from Greek ψευδής, pseudes, "lying, false") is commonly used in creating new scientific names for a taxon that superficially appears to be a taxon, but actually is another.
- Benedenia Diesing, 1858 was a name created by the Austrian zoologist Karl Moriz Diesing in 1858 to honour the Belgian helminthologist Pierre-Joseph van Beneden.
Lagenivaginopseudobenedenia, with 27 letters and 17 syllables, is possibly the longest valid generic name of the zoological nomenclature for a non-fossil organism.
Hosts
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Hosts of species of monogeneans of the genus Lagenivaginopseudobenedenia are parasitic on fish which are members of the genus Etelis (family Lutjanidae), found in deep-sea in the Pacific Ocean.
Species
Only two species are currently known in this genus.
- Lagenivaginopseudobenedenia etelis Yamaguti, 1966, parasite of the deep-water red snapper Etelis carbunculus off Hawaii and of the deepwater longtail red snapper Etelis coruscans off New Caledonia.
- Lagenivaginopseudobenedenia tinrowi Timofeeva, 1995 parasite of the deep-water red snapper Etelis carbunculus in the Pacific Ocean (26°41' N, 135°22' E).
References
- ^ Whittington, I. D. 2004: The Capsalidae (Monogenea: Monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes. Folia Parasitologica, 51, 109-122. PDF
- ^ Yamaguti S. 1966. New monogenetic trematodes from Hawaiian fishes, II. Pacific Science 20(4): 419-434. PDF
- Johnston, T. Harvey (1931). "New Trematodes from the Subantarctic and Antarctic". Australian Journal of Experimental Biology and Medical Science. 8 (2): 91–98. doi:10.1038/icb.1931.7. ISSN 0818-9641. PDF
- Karl Moriz Diesing, 1858. Revision der Myzhelminthen. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Wien: K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn. BHL PDF
- Mark Isaak. "Wordplay: Long and Short Names". Curiosity of Zoological Nomenclature.
- Justine, JL.; Beveridge, I.; Boxshall, GA.; Bray, RA.; Miller, TL.; Moravec, F.; Trilles, JP.; Whittington, ID. (2012). "An annotated list of fish parasites (Isopoda, Copepoda, Monogenea, Digenea, Cestoda, Nematoda) collected from Snappers and Bream (Lutjanidae, Nemipteridae, Caesionidae) in New Caledonia confirms high parasite biodiversity on coral reef fish". Aquatic Biosystems. 8 (1): 22. Bibcode:2012AqBio...8...22J. doi:10.1186/2046-9063-8-22. PMC 3507714. PMID 22947621.
- Timofeeva, T. A. (1995). "New species of the genera Pseudallobenedenia Yamaguti, 1966 and Lagenivaginopseudobenedenia Yamaguti, 1966 (Monogenea: Capsalidae) in the Indo-Pacific". Systematic Parasitology. 32 (1): 71–77. doi:10.1007/BF00009469. ISSN 0165-5752. S2CID 44047202.
| Taxon identifiers | |
|---|---|
| Lagenivaginopseudobenedenia | |