Volume 13 contains the following eight contributions:
- Gastropod skeletal defences: land, freshwater, and sea compared / Vermeij, G.J.
- Fossil predation: did some clavilithine fasciolariid gastropods employ valve-wedging to feed on bivalves? / Vermeij, G.J.
- Shell repair in the freshwater gastropod Bithynia tentaculata (Linnaeus, 1758) / Cadée, G.C.
- Predatory Poiretia (Stylommatophora, Oleacinidae) snails: histology and observations / Helwerda, R.A.
- How do the molluscivorous beetles Carabus granulatus and Phosphuga atrata (Insecta, Coleoptera) deal with sinistral and dextral prey? / Bergamin, S. & Smits, A.
- Recognizing cephalopod boreholes in shells and the northward spread of Octopus vulgaris Cuvier, 1797 (Cephalopoda, Octopodoidea) / Hiemstra, A.-F.
- Predation by Gecarcoidea lalandii (Crustacea, Gecarcinidae) on dextral and sinistral Amphidromus inversus (Gastropoda, Pulmonata, Camaenidae) / Sipman, I.
- Edge-drilling behavior in the predatory naticid gastropod Notocochlis unifasciata (Lamarck, 1822) (Caenogastropoda, Naticidae) from the Pacific coast of Panama: taxonomic and biogeographical implications / Rojas, A., Hendy, A. & Dietl, G.P.