- P. GRAHAM OLIVER & JØRGEN LÜTZEN (2011) An anatomically bizarre, fluid-feeding, galeommatoidean bivalve: Draculamya porobranchiata gen. et sp. nov. (Mollusca: Bivalvia)
- YURENA YANES, JAVIER MARTÍN, JESÚS SANTANA, GERALDINE A. HOLYOAK, DAVID T. HOLYOAK, MIGUEL ARTILES, FRANCISCO DENIZ, MARIA R. ALONSO & MIGUEL IBÁÑEZ (2011) Four newNapaeus species (Gastropoda: Pulmonata: Enidae) from La Gomera (Canary Islands)
- SERGIO P. ÁVILA, JOSÉ PEDRO BORGES & ANTONIO M. DE FRIAS MARTINS (2011) The littoral Trochoidea (Mollusca: Gastropoda) of the Azores
- J. A. ALLEN (2011) Descriptions of new deep-water species of the family Cuspidariidae (Mollusca: Bivalvia) and including a bibliography of the known species from the Atlantic
- KATARZYNA ZAJAC & TADEUSZ ZAJAC (2011) The role of active individual movement in habitat selection in the endangered freshwater mussel Unio crassus Philipsson 1788
- ANNA SULIKOWSKA-DROZD (2011) Population dynamics of the Carpathian clausiliid Vestia gulo (E. A. Bielz 1859) (Pulmonata: Clausiliidae) under various climatic conditions
- BARNA PÁLL-GERGELY (2011) Description of the genital structure of four Turkish orculids (Gastropoda: Pulmonata: Orculidae)
- FRØYDIS LYGRE, CHRISTOFFER SCHANDER, JON ANDERS KONGSRUD & JENS OTTO KRAKSTAD (2011) Three species of Parthenina (Chrysallidinae, Pyramidellidoidea) new to West Africa
- RORY J. McDONNELL & MIKE J. GORMALLY (2011) A live trapping method for the protected european slug, Geomalacus maculosus Allman 1843 (Arionidae)