Contribution to the knowledge on supralittoral macroinvertebrates of the northwestern Black Sea

A checklist of the northwestern Black Sea supralittoral fauna is presented. It includes 18 species: Ophelia bicornis, Namanereis pontica, Cryptorchestia cf. garbinii, Deshayesorchestia deshayesii, Orchestia montagui, Orchestia gammarellus, Orchestia montagui, Armadilloniscus ellipticus, Halophiloscia cf. couchii, Ligia italica, Tylos ponticus, Chthamalus stellatus, Microeuraphia depressa, Thalassomyia frauenfeldi, Donacilla cornea, Myosotella myosotis, Truncatella subcylindrica, and Melarhaphe neritoides. This paper provides distribution maps for this species in the northwestern Black Sea, based on field studies. The changes that occurred in species composition are discussed. The regional IUCN categories are proposed.