Reconstructing the soil food web of a 100 million-year-old forest: The case of the mid-Cretaceous fossils in the amber of Charentes (SW France)

► A 100 million-year-old forest food web is reconstructed. ► This was a warm climatic period on earth. ► Many similarities exist with modern functional food webs. ► This approach provides a glimpse into ancient ecosystem nutrient cycling.