Living benthic foraminifera as an environmental proxy in coastal ecosystems: A case study from the Aegean Sea (Greece, NE Mediterranean)

► Epiphytic benthic foraminifers were studied at two coastal locations (AegeanSea). ► It is the first application of the FORAM Index (FI) to Mediterranean assemblages. ► Sensitivity of benthic foraminifers to sewage pollution is documented in Aegean Sea. ►A. lobifera (invasive species) bioindicator of sewage pollution in the Aegean Sea.