نتایج جستجو برای: fossilization
تعداد نتایج: 247 فیلتر نتایج به سال:
The unusual association of fish and crabs from Romualdo Formation, Aptian–Albian the Araripe sedimentary Basin, NE Brazil. In a study collection fossils Formation in “Araripe pernambucano”, an Vinctifer comptoni Rhacolepis buccalis with eubrachyurans orithopsids was observed four calcareous nodules. Associations were discussed based on ecological taphonomic hypotheses. It is noted degree articu...
Despite the abundance of seagrass-related deposits in geological record, seagrass macrofossils are scattered time and space, due to low preservation potential marine angiosperms. Fossil impressions, mainly rhizomes occur Messinian (late Miocene) marl beds intercalated cross-bedded bioclastic limestones Guadalquivir Basin near Alcalá de Guadaíra southern Spain. Vegetative characters indicate tha...
Ostracods as bioindicators are extremely useful for reconstructing palaeoenvironment and palaeoclimate can also indicate the provenance of sediments materials, example, in studies on ancient commercial networks. small crustaceans that live almost all aquatic habitats, both natural man-made. Due to their calcitic carapace, they have high fossilization potential, use geoarchaeology has been stead...
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