Volume 46 no. 1

VOL. 46, NO. 1                                     MALACOLOGIA                           2004
                                                              CONTENTS

GEORGE A. EVSEEV, NATALYA K. KOLOTUKHINA, & OLGA YA. SEMENIKHINA
Anatomy of a Small Clam, Alveinus ojianus (Bivalvia: Kelliellidae), with a Discussion on the Taxonomic Status of the Family .............................................................................................................................. 1

GUISEPPE MANGANELLI, SIMONA CIANFANELLI, NICOLA SALOMONE, & FOLCO GUISTA
Morphological and Molecular Analysis of the Status and Relationships of Oxychilus paulucciae (De Stefani, 1883) (Gastropoda: Pulmonata: Zonitidae) ............................................................................ 19

BRIAN MORTON
The Biology and Functional Morphology of Foegia novaezelandiae (Bivalvia: Anomalodesmata: Clavagelloidea) from Western Australia .............................................................................................. 37

GENNADY M. KAMENEV
New Species of the Genus Kellia (Bivalvia: Kellidae) from the Commander Islands, with Notes on Kellia comandorica Scarlato, 1981 ............................................................................................................... 57

JORIS M. KOENE & IGOR V. MURATOV
Revision of the Reproductive Morphology of Three Leptaxis Species (Gastropoda, Pulmonata, Hygromiidae) and its Implication on dart Evolution ............................................................................ 73

MIN WU
Preliminary Phylogenetic Study of Bradybaenidae (Gastropoda: Stylommatophora: Helicoidea) ......... 79

CHRISTOPHER P. MEYER
Toward Comprehensiveness: Increased Molecular Sampling within Cypraeidae and Its Phylogenetic Implications ...................................................................................................................................... 127

GENNADY M. KAMENEV
New Species of the Genus Abrina (Bivalvia: Semelidae) from the Commander and Kurli Islands ....... 157

STEFFEN KIEL
Shell Structures of Selected Gastropods from Hydrothermal Vents and Seeps .................................. 169

MAXIMILIANO CLEDON, LUIZ RICARDO L. SIMONE, & PABLO E. PENCHASZADEH
Crepidula cachimilla (Mollusca: Gastropoda), A New Species from Patagonia, Argentina ................. 185

RESEARCH NOTES

PAWEL WOZNICKI
Chromosomes of the Chinese Mussel Anodonta woodiana (Lea 1834) (Bivalvia, Unionidae) from the Heated Konin Lakes System in Poland .............................................................................................. 205

NORBERT BUYSSENS
Locomotion in Helix aspersa ............................................................................................................ 211

IRA RICHLING
Coloration in Helicinidae (Mollusca: Gastropoda: Neritopsina) ........................................................ 217

LETTER FROM THE EDITOR

GEORGE M. DAVIS
Species Check-Lists: Death or Revival of the Nouvelle Ecole? .......................................................... 227