- S. CIANFANELLI, G. MANGANELLI & F. GIUSTI (2004) A new species of Schileykiella from Marettimo (Aegadian Islands, Italy) and discussion of relationships of cilielline hygromiids (Gastropoda, Pulmonata, Hygromiidae)
- MANUEL ANTÓNIO E. MALAQUIAS (2004) The opisthobranch molluscs described by the Reverend Robert Boog Watson from the Madeira archipelago (northeast Atlantic, Portugal)*
- R. A. BAKER & R.A. BAYLISS (2004) Philip Pearsall Carpenter's 'passion for shells'
- PETER RÖPSTORF & FRANK RIEDEL (2004) Deep-water gastropods endemic to Lake Baikal - an SEM study on protoconchs and radulae
- BERNHARD HAUSDORE (2004) Harmozica occidentalis new species from the eastern Pontus Mountains in Turkey (Gastropoda: Hygromiidae)
- G. MANGANELLI & F. GIUSTI (2004) Status and relationships of Vitrina musignani Pirajno, 1842, andVitrina paulucciae Fischer in Paulucci, 1878 (Gastropoda: Pulmonata: Vitrinidae)
- M.L. ZETTLER, J. FRANKOWSKI, R. BOCHERT & M. ROHNER (2004) Morphological and ecological features of Theodoxus fluviatilis (Linnaeus, 1758) from Baltic brackish water and German freshwater populations
- X. CUCHERAT & S. DEMUYNCK (2004) Pseudotrichia rubiginosa (Pulmonata, Hygromiinae): a snail new to France
