- K. SZYBIAK, J. BLOSZYK, E. KORALEWSKA-BATURA & B. GOLDYN (2009) Variation in spatial structure and abundance of Clausillids (Mollusca: Clausiliidae) in the nature reserve Debno Nad Warta (W. Poland) during wintering
- K. R. CHAN, P. A. TODD & L.M. CHOU (2009) An allometric analysis of juvenile fluted giant clam shells (Tridacna squamosa L.)
- T. K. MALTZ (2009) Charpentieria (itala) ornata (Rossmässler, 1836)(Gastropoda: Pulmonata: Clausiliidae) on the northern fringes of its range – a nationally endangered species surviving due to human activities
- EMILIO ROLAN, MARCOS GONZALEZ-PORTO & SUSANA S. DE MATOS-PITA (2009) The genusCallumbonella (Gastropoda, Trochacea) with the description of a new species from Namibia
- GIJS C. KRONENBERG, VIRGILIO LIVERANI & HENK DEKKER (2009) On the identity of Strombus coniformis Sowerby II, 1842 (Gastropoda, Strombidae), with additional notes on its distribution
- JØRGEN LÜTZEN, JAE-SANG HONG & HIROYOSHI YAMASHITA (2009) Koreamya arcuata (A. Adams, 1856) gen. nov.(Galeommatoidea: Montacutidae), a commensal bivalve associated with the inarticulate brachiopod Lingula anatina
- P. GRAHAM OLIVER, HARRIET WOOD & ANNA M. HOLMES (2009) First British record of the shipworm Uperotus (Bivalvia: Teredinidae) from driftwood on the Llyn Peninsula, Wales
- MARIA GABRIELA CUEZZO & MARIA JOSE MIRANDA (2009) Systematic position and anatomy ofDrepanostomella tucma Hylton Scott, 1948 (Stylommatophora: Scolodontidae)
- A. RUIZ, J.R. ARREBOLA & A.I. PUENIE (2009) Oestophora prietoi n. sp., O. mariae n. sp. and O. ebria (Corbella, 2004), three Oestophora Hesse species (Stylommatophora, Trissexodontidae) from the Iberian peninsula
- P. GRAHAM OLIVER & ANNA M HOLMES (2009) Idas lamellosus Verrill, 1882 (Bivalvia: Mytiloidea) a woodfall mussel new to the fauna of the northeast Atlantic
- E. PANINI, B. SICURO, F. DAPRÁ & G. FORNERIS (2009) Preliminary considerations for freshwater mussel reproduction and possible application for extensive rearing in Italy
- PETER GLÖER & MAXIM V. VINARSKI (2009) Taxonomical notes on Euro-Siberian freshwater molluscs: 2. Redescription of Planorbis (Gyraulus) stroemi Westerlund, 1881 (Mollusca: Gastropoda: Planorbidae)
- PETER GLÖER & MICHAEL L. ZETTLER (2009) Redescription of Planorbis moquini Requien, 1848 (Gastropoda: Planorbidae)
- IAN J. KILLEEN & JAMES A. TURNER (2009) Yoldiella and Portlandia (Bivalvia) from the Faroe-Shetland Channel and Rockall Trough, northeast Atlantic