- F. GIUSTI, C. MANGANELLI & M. BODON (1998) A proposed neotype for Hydrobia acuta(Draparnaud, 1805)
- T. BRINER & T. FRANK (1998) Egg laying activity of the slug Arion lusitanicus Mabille in Switzerland.
- J. GERLACH (1998) A new genus of Zonitoidea previously referred to Kaliella
- J. GERLACH (1998) A new species of Punctidae (Mollusca: Gastropoda) from Seychelles
- BARRY COLVILLE & ADOLF RIEDEL (1998) On the systematic position of Araboxychilus sabaeus(Gastropoda: Pulmonata) from the south-west of the Arabian peninsula
- L.R.L. SIMONE (1998) A new species of Gari (Gobraeus) (Bivalvia, Tellinoidea, Psammobiidae) from Bahia coast, Brazil
