Diplectanidae
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Diplectanidae
The Diplectanidae are a family of monopisthocotylean monogeneans. They are all parasitic on the gills of fish (marine or freshwater). Diplectanids are small animals, generally around 1 mm in length. As parasites, they can be extremely numerous, up to several thousand on an individual fish. History The family Diplectanidae was proposed by the Italian parasitologist Monticelli in 1903 (as subfamily Diplectaninae). The status of the family and its components was later examined by various authors, including Johnston & Tiegs (1922), Price (1937),Price, E. W. 1937: North American Monogenetic Trematodes. I. The superfamily Gyrodactyloidea ''Journal of the Washington Academy of Sciences'' 27, 146-164PDF Bychowsky (1957), Yamaguti (1963), and Oliver (1987). Morphology Diplectanids are diagnosed by the combination of these three characters: * Presence of accessory adhesive organs on dorsal and ventral part of the haptor, called squamodiscs when they are made up of rodlets and lame ...
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Pseudorhabdosynochus Morrhua
''Pseudorhabdosynochus'' is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The type-species of the genus is ''Pseudorhabdosynochus epinepheli'' ( Yamaguti, 1938). The genus includes more than 80 species, which are all parasitic on the gills of marine fish, especially groupers. Since groupers are mostly abundant in warm waters, species of ''Pseudorhabdosynochus'' are found in warm parts of the oceans, especially in coral reefs, but species have also been found in deep-sea groupers. Several species of ''Pseudorhabdosynochus'' are pathogens of maricultured groupers. Morphology All species of ''Pseudorhabdosynochus'' are small animals, ranging 0.3–1 mm in length. As most monogeneans, they are flat, with an anterior head bearing four oculi and head glands, a main elongate body and a posterior haptor. The digestive system includes an anterior muscular pharynx, and two lateral intestinal branches (or caeca); as in all Platyhelminthes, there ...
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Calydiscoides
''Calydiscoides'' is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The genus currently includes 16 species, which are all parasitic on the gills of marine fish of the family Lethrinidae and Nemipteridae. All species are from the Indo-Pacific Ocean. The type-species of the genus is ''Calydiscoides australis'' Young, 1969. Morphology All species of ''Calydiscoides'' are small animals, ranging 0.5–1 mm in length. As with most monogeneans, they are flat, with an anterior head bearing four oculi and head glands, a main elongate body and a posterior haptor. The digestive system includes an anterior muscular pharynx, and two lateral intestinal branches (or caeca); as in all Platyhelminthes, there is no anus. The haptor, in the posterior part of the body, is a specialized organ used to attach to the host (biology), host. The haptor includes sclerotized elements, namely a ventral bar, two lateral (dorsal) bars, two ventral hooks, and two dorsal ...
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Squamodisc
Squamodiscs are epidermal structures, which are typical of and found only in certain monogeneans of the family Diplectanidae. There are, typically, two squamodiscs, one ventral and one dorsal, located on the haptor of the monogenean. Squamodiscs are usually made up of scales embedded in the epidermis, which appear from the outside as rodlets arranged in rows. According to the classical book of Bychowsky (1967), Bychowsky, B. E. (1957) Monogenetic Trematodes. Their systematic and phylogeny. Akad. Nauka. USSR. English translation by the American Institute of Biological Science, Washington. 509 pp. “the Diplectanidae] have special paired attaching formations lying above the disc and also partially on it, on the dorsal and ventral sides in the shape of small rounded convexities equipped with numerous ..thorn-shaped little hooks or thin thread-like plates located more or less in concentric rows ("squamodisc")". Ultrastructural studies of squamodiscs have shown that they include ...
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Lamellodisc
Lamellodiscs are epidermal structures, which are typical of and found only in certain monogeneans of the family Diplectanidae. There are, typically, two lamellodiscs, one ventral and one dorsal, located on the haptor of the monogenean. Lamellodiscs are made up of concentric lamellae embedded in the epidermis. Lamellodiscs are considered as special type of squamodiscs, which are homologous structure found in many diplectanid monogeneans but formed of rows of rodlets instead of lamellae. Lamellodiscs are found in members of the diplectanid genera '' Lamellodiscus'' or ''Calydiscoides ''Calydiscoides'' is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The genus currently includes 16 species, which are all parasitic on the gills of marine fish of the family Lethrinidae and Nemipteridae. All sp ...''. '' Furnestinia echeneis'' is peculiar in that it has a single lamellodisc, not two. References {{reflist Platyhelminth anatomy Animal morphology ...
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Acleotrema
Acleotrema is a genus of monopisthocotylean monogeneans in the family Diplectanidae.Johnston, T. A., & Tiegs, O. W. (1922). New gyrodactyloid trematodes from Australian fishes together with a reclassification of the super-family Gyrodactyloidea. Proceedings of the Linnean Society of New South Wales, 47, 83-131.WoRMS (2018). Acleotrema Johnston & Tiegs, 1922. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=517904 on 2018-08-16 All its species are parasites Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted structurally to this way of lif ... on fish. The type-species is '' Acleotrema girellae'' Johnston & Tiegs, 1922. ''Heteroplectanum'' Rakotofiringa, Oliver & Lambert, 1987 Rakotofiringa, S. L., Oliver, G., & Lambert, A. (1987). ''Heteroplectanum'' n. gen., un nouveau genre de Diplectanidae Bych ...
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Echinoplectanum
''Echinoplectanum'' is a genus of monopisthocotylean monogeneans in the family Diplectanidae. All its species are parasites on the gills of fish; hosts recorded to date are all groupers (Family Serranidae), including coralgroupers (genus ''Plectropomus'') and the Dusky grouper (''Epinephelus marginatus''). So far, species of ''Echinoplectanum'' have been recorded only from fish caught off Australia, New Caledonia and in the Mediterranean Sea. The type-species of the genus is '' Echinoplectanum laeve'' Justine & Euzet, 2006. Species Species include: *'' Echinoplectanum chauvetorum'' Justine & Euzet, 2006 *'' Echinoplectanum echinophallus'' (Euzet & Oliver, 1965) Justine & Euzet, 2006 *'' Echinoplectanum laeve'' Justine & Euzet, 2006 *'' Echinoplectanum leopardi'' Justine & Euzet, 2006 *'' Echinoplectanum plectropomi'' (Young, 1969) Justine & Euzet, 2006 *'' Echinoplectanum pudicum'' Justine & Euzet, 2006 *'' Echinoplectanum rarum'' Justine & Euzet Euzet (; oc ...
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Diplectanum
''Diplectanum'' is a genus of monopisthocotylean monogeneans in the family Diplectanidae. The genus, created by Karl Moriz Diesing,Diesing, K. M. 1858. Revision der Myzhelminthen. Abtheilung: Trematoden. ''Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Wien :K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn.'' pp. 307-39Biodiversity Heritage Library gave its name to the family Diplectanidae. All its species are parasites of the gill lamellae of teleosts Teleostei (; Greek ''teleios'' "complete" + ''osteon'' "bone"), members of which are known as teleosts ), is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, containing 96% of all extant species of fish. Teleo .... The type-species of the genus is '' Diplectanum aequans'' (Wagener, 1857).Wagener, G. (1857). Helminthologische Bemerkungen aus einem Sandsschreibe an C. Th. V. Siebold. Zeitschrift für wissenschaftliche ...
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Furcohaptor
''Furcohaptor'' is a genus of monopisthocotylean monogeneans, belonging to the family Diplectanidae.WoRMS (2018). Furcohaptor Bijukumar & Kearn, 1996. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=717363 on 2018-09-16 All known species are parasitic on the gills of Tonguefish (Family Cynoglossidae). Members of the genus ''Furcohaptor'' have a haptor with atypical structure (two long haptoral arms, one pair of typical anchors, one pair of rod-shaped hooks, five pairs of typical-shaped marginal hooks, and one pair of marginal hooks which are reduced in size) and the genus was originally placed in the family Ancyrocephalidae, but a study based on morphology and molecules demonstrated in 2017 that it was a member of the Diplectanidae The Diplectanidae are a family of monopisthocotylean monogeneans. They are all parasitic on the gills of fish (marine or freshwater). Diplectanids are small animals, generally around 1 mm in length. As parasites, they can be ext ...
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Acanthocercodes
''Acanthocercodes'' is a genus of monopisthocotylean monogeneans, belonging to the family Diplectanidae.WoRMS (2018). Acanthocercodes Kritsky & Diggles, 2015. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=849725 on 2018-08-16 All its species are parasites of the gill lamellae of marine teleosts Teleostei (; Greek ''teleios'' "complete" + ''osteon'' "bone"), members of which are known as teleosts ), is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, containing 96% of all extant species of fish. Teleo .... The type-species of the genus is '' Acanthocercodes bullardi'' Kritsky & Diggles, 2015. Species According to the World Register of Marine Species, species include: * '' Acanthocercodes bullardi'' Kritsky & Diggles, 2015 * '' Acanthocercodes megacirrus'' (Maillard & Vala, 1980) Kritsky & Diggles, 2015 * '' Acanthocercodes polynemus'' (Tripathi, 1957) Kritsky & Diggles, 2015 * '' Acanthocercodes spinosus'' (Maillard & ...
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Anoplectanum
Anoplectanum is a genus of monopisthocotylean monogeneans in the family Diplectanidae The Diplectanidae are a family of monopisthocotylean monogeneans. They are all parasitic on the gills of fish (marine or freshwater). Diplectanids are small animals, generally around 1 mm in length. As parasites, they can be extremely numerou ....WoRMS (2018). Anoplectanum Boeger, Fehlauer & Marques, 2006. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1036545 on 2018-08-17 Species According to the World Register of Marine Species, the valid species included in the genus are: * '' Anoplectanum haptorodynatum'' Boeger, Fehlauer & Marques, 2006 * '' Anoplectanum microsoma'' Boeger, Fehlauer & Marques, 2006 References {{Taxonbar, from=Q56153221 Diplectanidae Monogenea genera ...
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Darwinoplectanum
Darwinoplectanum is a genus of monopisthocotylean monogeneans, belonging to the family Diplectanidae.Domingues, M. V.; Diamanka, A.; Pariselle, A.; Blatz. (2011). Monogenoids (Diplectanidae, Polyonchoinea) from the gills of mojarras (Perciformes, Gerreidae) with the resurrection of ''Neodiplectanum'' Mizelle and the proposal of ''Darwinoplectanum'' n. gen. Zootaxa 3010: 1-19.WoRMS (2018). Darwinoplectanum Domingues, Diamanka & Pariselle, 2011. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=717454 on 2018-08-17 According to the authors of the genus, it was named after Sir Charles Robert Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English natural history#Before 1900, naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all speci ..., "in celebration of his 200th anniversary in 2009". Species According to the World Register of Marine Species, the va ...
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Aetheolabes
Aetheolabes is a genus of monopisthocotylean monogeneans in the family Diplectanidae.WoRMS (2018). Aetheolabes Boeger & Kritsky, 2009. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=717450 on 2018-08-16 Species According to the World Register of Marine Species, the only species included in the genus is: * '' Aetheolabes goeldiensis'' Boeger & Kritsky ''Kritsky'' is a genus of digeneans in the family Aporocotylidae or blood flukes.WoRMS (2018). Kritsky Orelis-Ribeiro & Bullard, 2016. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=871002 on 2018-09-23 The name of the genus ..., 2009 References {{Taxonbar, from=Q56122626 Diplectanidae Monogenea genera ...
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