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Chondrostoma Orientale
''Chondrostoma orientale'' is a species of ray-finned fish in the genus ''Chondrostoma ''Chondrostoma'' (from the Ancient Greek roots (''khondros'') 'lump' + (''stoma'') 'mouth' = 'lump-mouth') is a genus of ray-finned fish in the family Cyprinidae. They are commonly known as nases, although this term is also used locally to ...'' which is endemic to Iran. References * Chondrostoma Fish described in 1982 Taxa named by Petre Mihai Bănărescu {{Leuciscinae-stub ...
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Petru Mihai Bănărescu
Petru is a given name, and may refer to: * Petru I of Moldavia (Petru Mușat, 1375–1391), ruler of Moldavia * Petru Aron (died 1467), ruler of Moldavia * Petru Bălan (born 1976), Romanian rugby union footballer * Petru Cărare (1935–2019), writer from Moldova * Petru Cercel (died 1590), voivode of Wallachia, polyglot * Petru Dugulescu (1945–2008), Romanian Baptist pastor, poet, and politician * Petru Filip (born 1955), current mayor of the municipality of Oradea * Petru Fudduni ( 1600–1670), poet * Petru Giovacchini (1910–1955), Corsican hero * Petru Groza (1884–1958), Romanian politician and Prime Minister * Petru Lucinschi (born 1940), Moldova's second president * Petru Luhan (born 1977), Romanian politician * Petru Maior ( 1756–1821), Romanian writer * Petru Mocanu (1931–2016), Romanian mathematician * Petru Pavel Aron (1709–1764), Romanian Greek-Catholic cleric and intellectual * Petru Poni (1841–1925), Romanian chemist * Petru Rareș ( 1487–1546), ruler o ...
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Ray-finned Fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or horny spines (rays), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii (lobe-finned fish). These actinopterygian fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the link or connection between these fins and the internal skeleton (e.g., pelvic and pectoral girdles). By species count, actinopterygians dominate the vertebrates, and they constitute nearly 99% of the over 30,000 species of fish. They are ubiquitous throughout freshwater and marine environments from the deep sea to the highest mountain streams. Extant species can range in size from ''Paedocypris'', at , to the massive ocean sunfish, at , and the long-bodied oarfish, at . The vast majority of Actinoptery ...
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Chondrostoma
''Chondrostoma'' (from the Ancient Greek roots (''khondros'') 'lump' + (''stoma'') 'mouth' = 'lump-mouth') is a genus of ray-finned fish in the family Cyprinidae. They are commonly known as nases, although this term is also used locally to denote particular species, most frequently the common nase (''C. nasus''). The common name refers to the protruding upper jaw of these fishes; it is derived from the German term ''Nase'' 'nose'. Several species have a very restricted range. Some of these endemics are very rare nowadays, and at least one species is globally extinct. Systematics In 2007 it was determined that the presumed monophyletic group consisted of six at least partly independent lineages of Leuciscinae, meaning that the rasping feeding apparatus evolved more than once. It was proposed to split the genus in six in consequence: ''Achondrostoma'', ''Chondrostoma'', ''Iberochondrostoma'', ''Pseudochondrostoma'', '' Protochondrostoma'' and ''Parachondrostoma''. But at leas ...
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Fish Described In 1982
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 living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. Most f ...
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