Cryptostoma (beetle)
Cryptostoma may refer to: * Cryptostoma, structures found in some types of brown algae *'' Cryptostoma (beetle)'', a genus in the family Eucnemidae Eucnemidae, or false click beetles, are a family of elateroid beetles based on the type genus '' Eucnemis''; they include about 1700 species, distributed worldwide. Description Closely related to the family Elateridae, specimens of Eucnemida ...

Conceptacle
Conceptacles are specialized cavities of marine and freshwater algae that contain the reproductive organs. They are situated in the receptacle and open by a small ostiole.Boney, A.D. (1969). ''A Biology of Marine Algae''. Hutchinson Educational Ltd, London Conceptacles are present in Corallinaceae,Irvine, L.M. and Chamberlain, Y.M. (1994). ''Seaweeds of the British Isles''. Volume 1, Part 2B. Natural History Museum, London. and Hildenbrandiales, as well as the brown Fucales. In the Fucales there is no haploid phase in the reproductive cycle and therefore no alternation of generations.Fritsch, F.E. (1945). ''The Structure and Reproduction of the Algae''. Vol 2. Cambridge University Press, Cambridge The thallus is a sporophyte.Smith, G.M. (1938). ''Cryptogamic Botany. Algae and Fungi''. Second edition, Volume ''1'', McGraw-Hill Bok Company, Inc. The diploid plants produce male ( antheridia) and female (oogonia) gametangia by meiosis. The gametes are released into the surrounding w ...
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Cryptostoma (beetle)
Cryptostoma may refer to: * Cryptostoma, structures found in some types of brown algae *'' Cryptostoma (beetle)'', a genus in the family Eucnemidae Eucnemidae, or false click beetles, are a family of elateroid beetles based on the type genus '' Eucnemis''; they include about 1700 species, distributed worldwide. Description Closely related to the family Elateridae, specimens of Eucnemida ...