ostracod

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ostracod

a small, aquatic, bivalved crustacean of the subclass Ostracoda. The calcified shells of ostracods form important indicators in palaeontology and are important in palaeoclimatological studies as they are sensitive to differing concentrations of dissolved materials.
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The abundance and diversity of ostracodes in Zone IIIa was high with the average abundance of 50 per layer, which were dominated by Limnocythere.
After corning and comporting big fractions of sediments (particles higher than 125 micron), 50 g of samples were countered in order to investigate the Ostracodes existed in sediments.
Modern benthic ostracodes from Lutzow-Holm Bay, East Antarctica: paleoceanographic, paleobiogeographic, and evolutionary significance.
10 species of larger forams including age diagnostic Miscellanea miscella, Lockhartia haimei were recorded along with Milliolids, Planktons as well as Gastrpods, Pelecypods, Ostracodes, Dasycladacean algae, Echinoderms and Sponges were also observed.
Diatoms are generally a dominant group in the phytoplankton, whereas cladocerans, copepods and ostracodes are typically the main zooplankters in fresh waters (Dole-Olivier et al.
(1989): Ecologie des ostracodes du domain mediterraneen: application au golfe de Gabes (Tunisie Orientale).
PALEOBIOGEOGRAPHICAL AND PLATE TECTONIC SIGNIFICANCE OF LATE CRETACEOUS OSTRACODES (CRUSTACEANS) FROM CHIAPAS, MEXICO: A PRELIMINARY REPORT.