New data on methods for palaeogeographic reconstructions of ancient environments using ostracods (Arthropoda, Crustacea)
Abstract
The full cycle of taphonomic analysis of ostracods (including visual microscopic study of the shell fossilisation, statistical, population, ecological and biostratigraphic analyses) is described. Graphical population analysis was used for taphonomic analysis for the first time and is described in detail. This allows the type of ostracod burial to be determined with a high degree of accuracy. Signs of autochthonous and allochthonous (synchronous and heterochthonous) burial of ostracods are clarified and illustrated using SEM images. The technique of modification quantitative method for determining the numerical abiotic parameters of the aquatic environment (water depth, temperature and salinity), which was initially developed for fossil ostracods, is described.
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