Boyle, R A Bioturbation and directionality in Earth's carbon isotope record across the Neoproterozoic-Cambrian transition. [electronic resource] - Geobiology 05 2018 - 252-278 p. digital Publication Type: Journal Article ISSN: 1472-4669 Standard No.: 10.1111/gbi.12277 doi Subjects--Topical Terms: AnaerobiosisCarbon CycleCarbon Isotopes--analysisComputer SimulationFossilsGeologic Sediments--chemistryMetabolism