Titlebook: Calcareous Algae and Stromatolites; Robert Riding Book 1991 Springer-Verlag Berlin Heidelberg 1991 Gestein.Jura.Paläontologie.Sediment.Str

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Annette Allendorf,Christiane Becker-Ott found to consist predominantly of polysaccharide, although no specific polymer seems to be associated with calcification..Two aspects of the mineralization merit special consideration: photosynthesis has long been considered the main driving force causing a depletion in aqueous carbon dioxide and a

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Synthese einer relationalen Theoriebasis,a great deal of confusion surrounding generic and specific allocation and classification systems. Even today, it is still not possible, e.g. between green algae and red algae, for one to determine a definite assignment for this group..There are only a few generic or specific determination tests, and

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https://doi.org/10.1007/978-3-322-81502-6n of published literature on classification and changing trends in the characters to be considered for this, and their evaluation. The absence of available dasycladalean evidence between the Upper Permian and Middle Trias is discussed, and suggestions made for possible future research to remedy this

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Information - Organisation - Produktionses sterile and fertile organs to a varying degree, according to genera, species, and individuals. Consequently, preservation of fossils mainly depends on the extent of the initial calcification around the thallus..Main characters commonly used to define taxa include the type and the position of the