This thematic volume contains the following contributions:
- Raven, H.: Notes on Molluscs from NW Borneo. 1. Stromboidea (Gastropoda, Strombidae, Rostellariidae, Seraphidae) 3-32
- Dekker, H.: A note on the distribution of two species of Tibia in Yemen (Gastropoda, Rostellariidae) 33-38
- Kronenberg, G. C. & Burger, A. W.: On the subdivision of Recent Tibia-like gastropods (Gastropoda, Stromboidea), with the recognition of the family Rostellariidae Gabb, 1868, and a note on the type species of Tibia Röding, 1798 39-48
- Kronenberg, G. C. & Vermeij, G. J.: Terestrombus and Tridentarius, new genera of Indo-Pacific Strombidae (Gastropoda), with comments on included taxa and on shell characters in Strombidae 49-54
- Kronenberg, G. C.: Revision of Euprotomus Gill, 1870. 3. Description of Euprotomus aurora spec. nov. from the Indian Ocean (Gastropoda, Strombidae) 55-60