Guadiana intertidal environments; figs. 1 and 2 from Pl. I in Camacho, S., Moura, D., Connor, S., Scott, D. and Boski, T. 2015. Ecological zonation of benthic foraminifera in the lower Guadiana Estuary (southeastern Portugal). Marine Micropaleontology, 114: 1-18; and from Fig. 5 in Camacho, S., Moura, D., Connor, S., Boski, T. and Scott, D. 2015. Taxonomy, ecology and biogeographical trends of dominant benthic foraminifera species from an Atlantic-Mediterranean estuary (the Guadiana, southeast Portugal). Palaeontologia Electronica, 18.1.17A, 1-27.