- T. E. REIMCHEN (1981) Microgeographical variation in Littorina mariae Sacchi & Rastelli and a taxonomic consideration
- H. W. WALDÉN (1981) Communities and diversity of land molluscs in Scandinavian woodlands. I. High diversity communities in taluses and boulder slopes in SW Sweden
- KATHLEEN R. SMYTHE & JUNE E. CHATFIELD (1981) New species of Fusinus (Sinistralia) and Bulliafrom Masirah, Oman (Prosobranchia: Buccinacea)