''Lamellodiscus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of monopisthocotylean

monogenea Monogeneans are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they have both male and female reprod ...

ns 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 ...

; all species of ''Lamellodiscus'' are small worms, parasitic on the

gill A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

s of teleost

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

. The type-species of the genus is '' Lamellodiscus typicus'' Johnston & Tiegs, 1922, a parasite of a sparid fish caught in Moreton Bay,

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. Johnston, T.H. & 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
PDF on BHL

Etymology

T. Harvey Johnston &

Oscar Werner Tiegs Oscar Werner Tiegs FRS FAA (12 March 1897 – 5 November 1956) was an Australian zoologist whose career spanned the first half of the 20th century. His contribution to the division of the phylum arthropoda into two parts, one including insect ...

, who created the genus in 1922, did not formally explain the

etymology Etymology ()The New Oxford Dictionary of English (1998) – p. 633 "Etymology /ˌɛtɪˈmɒlədʒi/ the study of the class in words and the way their meanings have changed throughout time". is the study of the history of the Phonological chan ...

of the new name. However, their definition of the new genus "disc well developed, with the accessory locomotory disc (squamodisc) peculiarly modified in such a way as to present numerous concentric rows consisting each of a pair of laterally elongated lamellae" shows that the name refers to the lamellae of the

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 ...

(an attachment organ). Such an organ is now called a

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. Lamellodis ...

Hosts

Hosts of ''Lamellodiscus'' species are mainly sparids and lethrinids, with very rare cases reported from centracanthids, pomacanthids and pomacentrids.

Species

Species include: * '' Lamellodiscus acanthopagri'' Roubal, 1981 * '' Lamellodiscus baeri'' Oliver, 1974 Oliver, G. 1974: Nouveaux aspects du parasitisme des Diplectanidae Bychowsky 1957 (Monogenea, Monopisthocotylea) chez les Téléostéens Perciformes des côtes de France. Comptes Rendus de l'Académie des Sciences, 279, 803-805. * '' Lamellodiscus bidens''

Euzet Euzet (; oc, Euset) is a commune in the Gard department in southern France. Population See also *Communes of the Gard department This is a list of the 351 Communes of France, communes of the Gard Departments of France, department of France. ...

, 1984 Euzet, L. 1984: Diplectanidae (Monogenea) parasites de poissons des Iles Kerkennah (Tunisie). Archives de l'Institut Pasteur de Tunis, 61, 463-474. * '' Lamellodiscus butcheri'' Byrnes, 1987 * '' Lamellodiscus caballeroi'' Venkatanarsaiah & Kullkarni, 1980 * '' Lamellodiscus cirrusspiralis'' Byrnes, 1987 * '' Lamellodiscus confusus'' Amine, Euzet & Kechemir-Issad, 2007 * '' Lamellodiscus corallinus'' Paperna, 1965 * '' Lamellodiscus coronatus''

& Oliver, 1966 * '' Lamellodiscus crampus'' Neifar, 2008 * '' Lamellodiscus dentexi'' Aleshkina, 1984 * '' Lamellodiscus donatellae'' Aquaro, Riva & Galli, 2009 * '' Lamellodiscus drummondi''

& Oliver, 1967 * '' Lamellodiscus echeneis'' (Wagener, 1857) * '' Lamellodiscus elegans'' Bychowsky, 1957 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 * '' Lamellodiscus epsilon'' Yamaguti, 1968 Yamaguti, S. (1968). Monogenetic Trematodes of Hawaiian Fishes. Honolulu: University of Hawaii Press. * '' Lamellodiscus ergensi''

& Oliver, 1966 * '' Lamellodiscus erythrini''

& Oliver, 1966 * '' Lamellodiscus euzeti'' Diamanka, Boudaya, Toguebaye & Pariselle, 2011 * '' Lamellodiscus falcus'' Amine,

& Kechemir-Issad, 2006 * '' Lamellodiscus flagellatus'' Boudaya, Neifar &

, 2009 * '' Lamellodiscus fraternus'' Bychowsky, 1957 * '' Lamellodiscus furcillatus''

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 ...

, Jimenez-Ruiz & Sey, 2000 * '' Lamellodiscus furcosus''

& Oliver, 1966 * '' Lamellodiscus gracilis''

& Oliver, 1966 * '' Lamellodiscus hilii''

, 1984 * '' Lamellodiscus ignoratus'' Palombi, 1943 * '' Lamellodiscus impervius''

, 1984 * '' Lamellodiscus indicus'' Tripathi, 1959 * '' Lamellodiscus kechemirae'' Amine &

, 2005 * '' Lamellodiscus knoepffleri'' Oliver, 1969 Oliver G. (1969). Recherches sur les Diplectanidae (Monogenea) parasites de Téléostéens du Golfe de Lion. II. Lamellodiscinae nov.sub-fam. Vie et milieu, 20(1-A): 43-72. * '' Lamellodiscus magnicornis'' Justine & Briand, 2010 * '' Lamellodiscus major'' Murray, 1931 * '' Lamellodiscus mirandus''

& Oliver, 1966 * '' Lamellodiscus mormyri''

& Oliver, 1967 * '' Lamellodiscus neifari'' Amine,

& Kechemir-Issad, 2006 * '' Lamellodiscus niedashui'' Li, Zhang & Yang, 1995 * '' Lamellodiscus pagrosomi'' Murray, 1931 * '' Lamellodiscus parisi'' Oliver, 1969 * ''

Lamellodiscus parvicornis ''Lamellodiscus'' is a genus of monopisthocotylean monogeneans in the family Diplectanidae; all species of ''Lamellodiscus'' are small worms, parasitic on the gills of teleost fish. The type-species of the genus is '' Lamellodiscus typicus'' ...

'' Justine & Briand, 2010 * '' Lamellodiscus rastellus'' Neifar,

& Oliver, 2004 Neifar L., Euzet L. & Oliver G. 2004. ''Lamellodiscus'' (Plathelminthes, Monogenea, Diplectanidae) nouveaux parasites branchiaux des poissons marins du genre ''Pagrus'' (Teleostei, Sparidae). Zoosystema 26 (3): 365-376
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* '' Lamellodiscus sanfilippoi'' Amine, Neifar &

, 2006 * '' Lamellodiscus sarculus'' Neifar,

& Oliver, 2004 * '' Lamellodiscus sigillatus'' Neifar,

& Oliver, 2004 * '' Lamellodiscus spari'' Zhukov, 1970 * '' Lamellodiscus squamosus'' Roubal, 1981 * ''Lamellodiscus takitai'' Ogawa & Eugusa, 1978 Ogawa K. & Egusa S. (1978). Three species of ''Lamellodiscus'' (Monogenea: Diplectanidae) from the gills of the Japanese Black Sea Bream, ''Acanthopagrus schlegeli'' (Bleeker). Bull. Jap. Soc. Scient. Fish. 44(6): 607-612. * '' Lamellodiscus theroni'' Amine,

& Kechemir-Issad, 2007 * '' Lamellodiscus toguebayei'' Diamanka, Neifar, Pariselle &

, 2011 * '' Lamellodiscus tomentosus'' Amine &

, 2005 * '' Lamellodiscus triacies'' Diamanka, Neifar, Pariselle &

, 2011 * '' Lamellodiscus tubulicornis'' Justine & Briand, 2010 * '' Lamellodiscus typicus'' Johnston & Tiegs, 1922 * '' Lamellodiscus vaginalis'' Byrnes, 1987Byrnes T. (1986). Six species of ''Lamellodiscus'' (Monogenea: Diplectanidae) collected from Australian bream (''Acanthopagrus'' spp.). Publ. Seto Mar. Biol. Lab 31: 169-190. * '' Lamellodiscus verberis''

& Oliver, 1967 * '' Lamellodiscus vicinus'' Diamanka, Neifar, Pariselle &

, 2011 * '' Lamellodiscus virgula''

& Oliver, 1967

References

{{Taxonbar, from=Q18520469 Diplectanidae Monogenea genera Parasites of fish