Jehlius Gilmorei
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Jehlius Gilmorei
''Jehlius'' is a genus of star barnacles in the family Chthamalidae The Chthamalidae are a family of chthamaloid barnacles, living entirely in intertidal/subtidal habitats, characterized by a primary shell wall of eight, six, or four plates, lacking imbricating plate whorls, and either membraneous or more rarely .... There are at least two described species in ''Jehlius''. Species These species belong to the genus ''Jehlius'': * '' Jehlius cirratus'' (Darwin, 1854) * '' Jehlius gilmorei'' Ross, 1971 References External links * Barnacles Maxillopoda genera {{Maxillopoda-stub ...
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Chthamalidae
The Chthamalidae are a family of chthamaloid barnacles, living entirely in intertidal/subtidal habitats, characterized by a primary shell wall of eight, six, or four plates, lacking imbricating plate whorls, and either membraneous or more rarely calcareous basis. They are not found below immediate subtidal habitats, and more likely are found in the highest tier of shallow-water barnacle fauna. They can be found in the most rigorous wave-washed locations, and some species are found in the surf zone above high tide mark, only receiving water from wave action at high tide. The family includes at least 56 recognized species. Definition and Discussion The shell wall consists of eight wall plates, which reduce to six, and four in some species. Plate reduction is accomplished by fusion of rostrolatera with adjacent laterals, or initially by suppression of carinolatus II, reducing plate number from eight to six. Unlike the superfamilies Coronuloidea and Balanoidea, the rostrum ...
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Jehlius Cirratus
''Jehlius cirratus'' is a species of star barnacle in the family Chthamalidae. This species was formerly in the genus ''Chthamalus ''Chthamalus'' (χθαμαλός, "flat" or "on the ground") is a genus of barnacles that is found along almost all non-boreal coasts of the northern hemisphere, as well as many regions in the southern hemisphere. These small barnacles have been ...''. References External links * Sessilia Taxa named by Charles Darwin {{Maxillopoda-stub ...
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Jehlius Gilmorei
''Jehlius'' is a genus of star barnacles in the family Chthamalidae The Chthamalidae are a family of chthamaloid barnacles, living entirely in intertidal/subtidal habitats, characterized by a primary shell wall of eight, six, or four plates, lacking imbricating plate whorls, and either membraneous or more rarely .... There are at least two described species in ''Jehlius''. Species These species belong to the genus ''Jehlius'': * '' Jehlius cirratus'' (Darwin, 1854) * '' Jehlius gilmorei'' Ross, 1971 References External links * Barnacles Maxillopoda genera {{Maxillopoda-stub ...
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Barnacles
Barnacles are arthropods of the subclass Cirripedia in the subphylum Crustacea. They are related to crabs and lobsters, with similar nauplius larvae. Barnacles are exclusively marine invertebrates; many species live in shallow and tidal waters. Some 2,100 species have been described. Barnacle adults are sessile; most are suspension feeders with hard calcareous shells, but the Rhizocephala are specialized parasites of other crustaceans, with reduced bodies. Barnacles have existed since at least the mid-Carboniferous, some 325 million years ago. In folklore, barnacle geese were once held to emerge fully formed from goose barnacles. Both goose barnacles and the Chilean giant barnacle are fished and eaten. Barnacles are economically significant as biofouling on ships, where they cause hydrodynamic drag, reducing efficiency. Etymology The word "barnacle" is attested in the early 13th century as Middle English "bernekke" or "bernake", close to Old French "bernaque" and med ...
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