This paper reviews the available knowledge on sedimentology, hydrodynamics and five major ecosystem components (microphytobenthos, vascular plants, terrestrial arthropods, zoobenthos, and avifauna) of Belgian sandy beaches. It covers the area from the foredunes to the lower foreshore, takes an ecosystem approach to beaches of this specific geographic area. Morphodynamically, Belgian beaches are (ultra‐)dissipative, macrotidal,...

The new genus Nanothinophilus is established based on three new species: N. armatus sp. n., type species, N. pauperculus sp. n. and N. dolichurus sp. n., found sympatrically in South Thailand. The related genus Paralleloneurum Becker, 1902 is revised and re‐descriptions are given of the two known species: P. cilifemoratum Becker, 1902, type species, and P. pygmaeum de Meijere, 1916.