Guadiana intertidal environments; from Fig. 2 (images 23) 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.
Northland, Rangaunu Harbour, high tide; Pl. 1 in Hayward, B.W., Grenfell, H.R., Reid, C.M., Hayward, K.A. 1999. Recent New Zealand shallow-water benthic Foraminifera: Taxonomy, ecologic distribution, biogeography, and use in paleoenvironmental assessment. Institute of Geological and Nuclear Sciences Monograph 21, 258