Vol. 53, No. 1

VOL. 53, NO. 1               MALACOLOGIA                         2010

                                             CONTENTS

FUL PAPERS

Julia Pizá & Néstor J. Cazzaniga
Allopatry and anatomical distinctiveness of two puzzling land snails in genus Plagiodontes, from Argentina  (Gastropoda: Orthalicidae, Odontostominae) ................................... 1

Andrea C. Walther, John B. Burch & Diarmaid Ó Foighil
Molecular phylogenetic revision of the freshwater limpet genus Ferrissia (Planorbidae: Ancylinae) in North America yields two species: Ferrissia (Ferrissia) rivularis and Ferrissia (Kincaidilla) fragilis ... 25

Verónica Núñez, Diego E. Gutiérrez Gregoric & Alejandra Rumi
Freshwater gastropod provinces from Argentina ............................................... 47

Leandro M. Pérez, Santiago F. Genta Iturrería & Miguel Griffin
Paleoecological and paleobiogeographic significance of two new species of bivalves in the Paraná Formation (Late Miocene) of Entre Ríos Province, Argentina .............................. 61

Robert A. D. Cameron, Beata M. Pokryszko & Michal Horsák
Land snail faunas in Polish forests: Patterns of richness and composition in a post-glacial landscape ... 77

Wallace M. Meyer III & Robert H. Cowie
Feeding preferences of two predatory snails introduced to Hawaii and their conservation implications  ................................................................................135

RESEARCH NOTES

Shu H. Zhang, Qin P. Zhao, Ran Jiao, Qian Gao & Pin Nie

Identification of polymorphic microsatellites for the intermediate host Oncomelania hupensis of Schistosoma japonicum in China ........................................................ 147

Luke C. Strotz, Briony L. Mamo, Timothy P. Topper & Collette Bagnato
The highest southern latitude record of a living Tridacna gigas .......................... 155

Gabriel Mouahid, Rodrigue Mintsa Nguema, Mohamed A. Idris, Mahmoud A. Shaban, Salem Al Yafee, Juliette Langand, Marion Verdoit-Jarraya, Richard Galinier & Hélène Moné
High phenotypic frequencies of complete albinism in wild populations of Biomphalaria pfeifferi (Gastropoda: Pulmonata) ................................................................................... 161

Cristián Ituarte, María Gabriela Liuzzi & Romina Centurión
Egg hull morphology in two chitons (Polyplacophora) from the southwestern Atlantic Ocean .. 167

María S. Avaca, Maite Narvarte & Pablo R. Martín
Description of the radula of Buccinanops globulosus (Neogastropoda, Nassariidae) and an assessment of its variability in northern Patagonian gulfs ..................................................... 175

Katharina C. M. Heiler, Nahid Nahavandi & Christian Albrecht
A new invasion into an ancient lake – the invasion history of the dreissenid mussel Mytilopsis leucophaeata (Conrad, 1831) and its first record in the Caspian Sea .................... 185

Florencia Arrighetti & Pablo E. Penchaszadeh
Size and age at first sexual maturity of the edible giant snail Adelomelon beckii (Neogastropoda: Volutidae) from Mar del Plata, Argentina ............................................................... 193