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Revision of “Bellinurus” carteri (Chelicerata: Xiphosura) from the Late Devonian of Pennsylvania, USA
Abstract Horseshoe crabs are an iconic group of marine chelicerates that have an impressive fossil record extending back to at least the Lower Ordovician. Despite their long fossil record andExpand
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Taphonomic bias in exceptionally preserved biotas
Abstract Exceptionally preserved fossil biotas provide crucial data on early animal evolution. Fossil anatomy allows for reconstruction of the animal stem lineages, informing the stepwise process ofExpand
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REED-STERNBERG CELLS ON BONE MARROW CYTOLOGY: THE VERY EARLY FEATURE ON HEMOPHAGOCYTIC LYMPHOHISTIOCYTOSIS ASSOCIATED TO HODGKIN LYMPHOMA
Sao Paulo State Univ UNESP, Botucatu Sch Med, Dept Internal Med, Hematol, Sao Paulo, Brazil
Large trilobites in a stress-free Early Ordovician environment
Abstract Understanding variations in body size is essential for deciphering the response of an organism to its surrounding environmental conditions and its ecological adaptations. In modernExpand
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A new nektaspid euarthropod from the Lower Ordovician strata of Morocco
Abstract Nektaspids are Palaeozoic non-biomineralized euarthropods that were at the peak of their diversity during the Cambrian Period. Post-Cambrian nektaspids are a low-diversity group with only aExpand
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