Distribution and paleoenvironment of Devonian to Permian ostracode assemblages in Belgium with reference to some late Famennian to Permian marine nearshore to brackish-water assemblages dated by miospores

The Devonian to Permian ostracode assemblages in Belgium may be subdivided in six major groups characterizing non-marine through «brackish» and shallow marine into deep marine shelf and «basin» environment. A broad-brush review of their stratigraphical distribution reveals that mixed marine faunas are the most widely extended in the Devonian and Carboniferous. Following the Caledonian orogeny there are tendencies towards «brackish-water» (oligohaline?) assemblages during the Lower Devonian. But since the Givetian also open marine shelf associations are found and even Entomozoans and Thuringian... Mehr ...