- H. C. G. CHESNEY, P. G. OLIVER & G. M. DAVIS (1993) Margaritifera durrovensis Phillips, 1928: taxonomic status, ecology and conservation
- J. LUCEY (1993) The distribution of Margaritifera margaritifera (L.) in southern Irish rivers and streams
- M. B. SEDDON, D. T. HOLYOAK & P. TATTERSFIELD (1993) Taxonomy, ecology and distribution ofLeiostyla in W. Europe and NW. Africa (Gastropoda: Pupillidae)*
- M. B. SEDDON & D.T. HOLYOAK (1993) Land gastropoda of NW. Africa: new distributional data and nomenclature*
- B. VERDCOURT (1993) The identity of Tropidophora hanningtoni (Sowerby III) (Gastropoda: Pomatiasidae)
