MALACOLOGIA VOL. 56, NO. 1-2 MALACOLOGIA 2013 http://malacologia.fmnh.org CONTENTS World’s Leading Malacological Journal FULL PAPERS Journal Impact Factor 1.592 (2012) Suzete R. Gomes, David G. Robinson, Frederick J. Zimmerman, Oscar Obregón & Nor- Founded in 1961 man B. Barr Morphological and molecular analysis of the Andean slugs Colosius confusus, n. sp., a newly recognized pest of cultivated flowers and coffee from Colombia, Ecuador and EDITOR-IN-CHIEF Peru, and Colosius pulcher (Colosi, 1921) (Gastropoda, Veronicellidae) ..... 1 GEORGE M. DAVIS Eva Hettenbergerová, Michal Horsák, Rashmi Chandran, Michal Hájek, David Zelený & Editorial Office Business & Subscription Office Jana Dvořáková Malacologia Malacologia Patterns of land snail assemblages along a fine-scale moisture gradient .... 31 P.O. Box 1222 P.O. Box 385 Nicolás Bonel, Lía C. Solari & Julio Lorda West Falmouth, Massachusetts 02574, U.S.A. Haddonfield, New Jersey 08033, U.S.A. Differences in density, shell allometry and growth between two populations of Lim- [email protected] [email protected] noperna fortunei (Mytilidae) from the Río de la Plata basin, Argentina ..... 43 Mariana L. Adami, Guido Pastorino & J. M. (Lobo) Orensanz Copy Editor Associate Editor Phenotypic differentiation of ecologically significant Brachidontes species co- EUGENE COAN JOHN B.BURCH occurring in intertidal mussel beds from the southwestern Atlantic ........ 59 Santa Barbara Museum of Natural History University of Michigan Santa Barbara, California, U.S.A. Ann Arbor, Michigan, U.S.A. Moncef Rjeibi, Soufia Ezzedine-Najai, Bachra Chemmam & Hechmi Missaoui [email protected] [email protected] Reproductive biology of Eledone cirrhosa (Cephalopoda: Octopodidae) in the northern and eastern Tunisian Sea (western and central Mediterranean) ... 69 Managing Editor Composition Editor Sergio S. González-Peláez, Ignacio Leyva-Valencia, Sergio Pérez-Valencia & Daniel B. CARYL HESTERMAN CLAUDIA WILKE Lluch-Cota Haddon Heights, New Jersey, U.S.A. Giessen, Germany Distribution limits of the geoduck clams Panopea generosa and P. globosa on the [email protected] [email protected] Pacific coast of Mexico ................................... 85 Zofia Książkiewicz, Katarzyna Kiaszewicz & Bartłomiej Gołdyn Graphics Editor Microhabitat requirements of five rare vertiginid species (Gastropoda, Pulmonata: THOMAS WILKE Vertiginidae) in wetlands of western Poland ...................... 95 Justus Liebig University Giessen, Germany Supita Tanasawet, Boonsirm Withyachumnarnkul, Chinarat Changsangfar, Scott F. [email protected] Cummins, Morakot Sroyraya, Parisatcha Sangsuwan, Yindee Kitiyanant, Somluk Asuvapongpatana & Wattana Weerachatyanukul Isolation of organic matrix nacreous proteins from Haliotis diversicolor and their MALACOLOGIA is published by the INSTITUTE OF MALACOLOGY effect on in vitro osteoinduction .............................. 107 Board of Directors - U.S.A.: Omar Hernando Avila-Poveda, Ruben Cornelio Montes-Pérez, Francisco Benítez- Villalobos & Carlos Rosas President Members Development and validation of a solid-phase radioimmunoassay for measuring progesterone and testosterone in Octopus gonad extracts ............. 121 RÜDIGER BIELER PAULA M. MIKKELSEN Maria Gabriela Cuezzo, Maria Jose Miranda & Ximena Maria Constanza Ovando Field Museum, Chicago, Illinois Paleontological Research Institution, Ithaca, New York Species catalogue of Orthalicoidea in Argentina (Gastropoda: Stylommatophora) 135 JOHN B. BURCH Gopal Paul, Anirban Das, Subhendu Bardhan & Subhronil Mondal Vice President University of Michigan, Ann Arbor Predation on recent Turritelline gastropods from the Indian subcontinent and com- parison with a revised global database .......................... 193 DIARMAID Ó FOIGHIL CAROLE S. HICKMAN Soledad Zabala, Pablo E. Penchaszadeh, Héctor O. Panarello, Martín I. Brogger & University of Michigan, Ann Arbor University of California, Berkeley Gregorio Bigatti Life history parameters in the edible snail Adelomelon ancilla from Patagonian ALAN KOHN waters .............................................. 215 Secretary and Treasurer University of Washington, Seattle Catharina Clewing, Ulrich Bössneck, Parm V. von Oheimb & Christian Albrecht GEORGE M. DAVIS ELLEN STRONG Molecular phylogeny and biogeography of a high mountain bivalve fauna: West Falmouth, Massachusetts National Museum of Natural History, Washington D.C. The Sphaeriidae of the Tibetan Plateau ......................... 231 Sandra Kupfernagel, Konstantin Beier, Ruben Janssen, Hans-Peter Rusterholz, Anette Baur & Bruno Baur Copyright © 2013 by the Institute of Malacology An immunolabelling technique to track sperm from different mates in the female ISSN: 0076-2997 (Print) reproductive organs of terrestrial gastropods ..................... 253 ISSN: 2168-9075 (Online) Ana Paula S. Dornellas & Luiz Ricardo L. Simone Comparative morphology and redescription of three species of Calliostoma (Gas- tropoda, Trochoidea) from Brazilian coast ....................... 267 VOL. 56, NO. 1-2 MALACOLOGIA 2013 56, N0. 1 VOL. CONTENTS (continued) MALACOLOGIA RESEARCH NOTES - 2 2 Reid S. Brewer & Andrew C. Seitz A unique case of bilateral hectocotylization in the North Pacific giant octopus International Journal of Malacology (Enteroctopus dofleini) ................................... 297 Yuri Bovi Morais Carvalho, Luis Henrique Poersch & Luis Alberto Romano Rickettsia-associated mortality of the yellow clam Mesodesma mactroides (Bivalvia: Mesodesmatidae) in southern Brazil ........................... 301 Takashi Matsubara Validity of Hiatula Modeer, 1793 (Bivalvia: Psammobiidae) ............ 309 Ignacio Leyva-Valencia, Brent Vadopalas, Pedro Cruz-Hernández, Daniel B. Lluch-Cota & Delia I. Rojas-Posadas Reclassification ofPanopea generosa var. taeniata Dall, 1918, a fossil morphotype of P. globosa Dall, 1898 ................................... 315 Gerhard Bauer Reproductive biology of naiads in the upper Blue Nile ................ 321 Roberto E. Vogler The radula of the extinct freshwater snail Aylacostoma stigmaticum (Caenogas- tropoda: Thiaridae) from Argentina and Paraguay .................. 329 Cláudia Patrão, Joana Teixeira de Sousa, Kurt Jordaens, Thierry Backeljau, Rita Castilho & MALACOLOGIA Alexandra Leitão Geomalacus and Letourneuxia (Mollusca, Pulmonata): A cytogenetic assess- ment ............................................... 333 Michal Horsák, Veronika Schenková & Barna Páll-Gergely Fossil records of Marstoniopsis insubrica (Küster, 1853) suggest its wide distribution in central Europe during the early Holocene ...................... 339 Adam Obaza & Clifton B. Ruehl Regressions for estimating gastropod biomass with multiple shell metrics ... 343 Brian K. Penney Differences in size and depth for two morphs of Diaulula sandiegensis (Cooper, 1863) .............................................. 351 LETTER To THE EDIToR Richard E. Petit & The Editors Literature citations: Authors of taxa with date of publication should be mandatory 357 INDEX 359 2013 Vol. 56(1-2) 2013.