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JMDMT #328 Microfossils of Cyanobacteria in Carbonaceous Meteorites

The James M. DuPont Meteorite Collection - of microfossils, and internal structure of larger ones Good to very good Calcareous algae. Original Good internal structure. Even Good to very good material or calcified or silic- the size, shape, and arrangement ified of cells in the tissue in case of coralline algae Table 5 Groups with Fossil Representatives Group Representatives Size Age range Chlorophyceae Codiaceae (some genera) Dasycladaceae Mega. Mega. Cambrian-recent Cambrian-recent Chrysophyceae Silicoflagellata Micro. Miocene-recent Bacillariophyceae Diatoms Micro. Jurassic ?-recent (pos- sibly older) Dinophyceae Dinoflagellata Micro. Ordovician-recent Rhodophyceae Solenoporaceae Corallinaceae Gymnocodiaceae Mega. Mega. Mega. Cambrian-cretaceous Jurassic-recent Permian-cretaceous

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