MALACOLOGIA Vol. 53, No. 1 2010 Contents Full Papers Julia Pizá
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VOL. 53, NO. 1 MALACOLOGIA 2010 CONTENTS FULL 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 (Fer- rissia) 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, Nas- sariidae) 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.