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Solemyidae
Solemyidae is a family of saltwater clams, marine protobranch bivalve mollusks in the order Solemyida. Biology Solemyids are remarkable in that their digestive tract is either extremely small or non-existent, and their feeding appendages are too short to reach outside the shell. It has been shown that these clams host sulphur-oxidizing bacteria intracellularly within their gill filaments. As chemoautotrophs, these bacterial symbionts synthesize organic matter from CO2 and are the primary source of nutrition for the whole organism. In turn, the animal host provides its symbionts a habitat in which they have access to the substrates of chemoautotrophy (O2, CO2, and reduced inorganic compounds such as H2S). Together, these partners create "animals" with novel metabolic capabilities. Genera and species The family Solemyidae includes two genera and the following species: * '' Acharax'' Dall, 1908 ** '' Acharax alinae'' Métivier & Cosel, 1993 ** '' Acharax bartschii'' (Dall, 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemya Borealis
''Solemya borealis'' , the boreal awning clam, is a species of saltwater clam, a marine bivalve mollusc in the family Solemyidae the awning clams. This species is found along the northeastern coast of North America, from Nova Scotia to Connecticut. S. borealis belong to the Petrasma subgenus; being characterized by having an elongated oval shell with parallel ventral and dorsal margins. Individuals may reach a length of 8 to 10 cm and have a periostracum of dark brown color. Nutritionally, S. borealis contains concentrations of chemoautotrophic bacteria in inner gill filaments, symbiotically Symbiosis (from Greek , , "living together", from , , "together", and , bíōsis, "living") is any type of a close and long-term biological interaction between two different biological organisms, be it mutualistic, commensalistic, or parasit ... attached to the host. Conway, N.M., Howes, B.L., McDowell Capuzzo, J.E. ''et al.'' Characterization and site description of ''Solemya ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemya Australis
''Solemya'' is a genus of saltwater clams, marine bivalve mollusks in the family Solemyidae, the awning clams. ''Solemya'' is the type genus of the family Solemyidae. Description The shell valves of species in this genus are fragile and subcylindrical in shape; there are no hinge teeth. The shell has a persistent thin periostracum which extends beyond the valve margins, hence the common name "awning clams". These clams have chemosynthetic bacterial symbionts that produce their food. The bacteria live within their gill cells, and produce energy by oxidizing hydrogen sulfide, which they then use to fix carbon dioxide via the Calvin cycle. This symbiosis has been best-studied in the Atlantic species '' S. velum'' and the Pacific species '' S. reidi''. Species Species within the genus ''Solemya'' include: * '' Solemya africana'' * '' Solemya atacama'' * '' Solemya australis'' * ''Solemya borealis'' * '' Solemya elarraichensis'' * '' Solemya flava'' * '' Solemya moretonensis'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemya Atacama
''Solemya'' is a genus of saltwater clams, marine bivalve mollusks in the family Solemyidae, the awning clams. ''Solemya'' is the type genus of the family Solemyidae. Description The shell valves of species in this genus are fragile and subcylindrical in shape; there are no hinge teeth. The shell has a persistent thin periostracum which extends beyond the valve margins, hence the common name "awning clams". These clams have chemosynthetic bacterial symbionts that produce their food. The bacteria live within their gill cells, and produce energy by oxidizing hydrogen sulfide, which they then use to fix carbon dioxide via the Calvin cycle. This symbiosis has been best-studied in the Atlantic species '' S. velum'' and the Pacific species '' S. reidi''. Species Species within the genus ''Solemya'' include: * '' Solemya africana'' * '' Solemya atacama'' * ''Solemya australis'' * ''Solemya borealis'' * '' Solemya elarraichensis'' * '' Solemya flava'' * '' Solemya moretonensis'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemya Africana
''Solemya'' is a genus of saltwater clams, marine bivalve mollusks in the family Solemyidae, the awning clams. ''Solemya'' is the type genus of the family Solemyidae. Description The shell valves of species in this genus are fragile and subcylindrical in shape; there are no hinge teeth. The shell has a persistent thin periostracum which extends beyond the valve margins, hence the common name "awning clams". These clams have chemosynthetic bacterial symbionts that produce their food. The bacteria live within their gill cells, and produce energy by oxidizing hydrogen sulfide, which they then use to fix carbon dioxide via the Calvin cycle. This symbiosis has been best-studied in the Atlantic species '' S. velum'' and the Pacific species '' S. reidi''. Species Species within the genus ''Solemya'' include: * '' Solemya africana'' * ''Solemya atacama'' * ''Solemya australis'' * ''Solemya borealis'' * '' Solemya elarraichensis'' * '' Solemya flava'' * '' Solemya moretonensis'' * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemya
''Solemya'' is a genus of saltwater clams, marine bivalve mollusks in the family Solemyidae, the awning clams. ''Solemya'' is the type genus of the family Solemyidae. Description The shell valves of species in this genus are fragile and subcylindrical in shape; there are no hinge teeth. The shell has a persistent thin periostracum which extends beyond the valve margins, hence the common name "awning clams". These clams have chemosynthetic bacterial symbionts that produce their food. The bacteria live within their gill cells, and produce energy by oxidizing hydrogen sulfide, which they then use to fix carbon dioxide via the Calvin cycle. This symbiosis has been best-studied in the Atlantic species '' S. velum'' and the Pacific species '' S. reidi''. Species Species within the genus ''Solemya'' include: * ''Solemya africana'' * ''Solemya atacama'' * ''Solemya australis'' * ''Solemya borealis'' * '' Solemya elarraichensis'' * '' Solemya flava'' * '' Solemya moretonensis'' * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solemyida
Solemyida is an order of bivalve mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is est ...s. Families in the order Solemyida * Manzanellidae Chronic, 1952 * Solemyidae J. E. Gray, 1840 References * Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 Bivalve orders {{Bivalve-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lamarck
Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biological evolution occurred and proceeded in accordance with natural laws. Lamarck fought in the Seven Years' War against Prussia, and was awarded a commission for bravery on the battlefield. Posted to Monaco, Lamarck became interested in natural history and resolved to study medicine. Packard (1901), p. 15. He retired from the army after being injured in 1766, and returned to his medical studies. Lamarck developed a particular interest in botany, and later, after he published the three-volume work ''Flore françoise'' (1778), he gained membership of the French Academy of Sciences in 1779. Lamarck became involved in the Jardin des Plantes and was appointed to the Chair of Botany in 1788. When the French National Assembly founded the Mus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
