Hi all, who can help me? 1) What is Clausilia nigricans (PULTENEY 1807) from Spain? 2) I have a Lymnaea sp. from Lake Rotoaira (near Turangi) from New Zealand. This Lymnaea looks not like L. tomemtosa. It is about 30mm h and yellow-brown. 3) What is Nerita porcellana LINNE ????. I have one sp, from Japan? 4)What is Nerita atterrima Autor??? Year ??? from Mauritius? 5) Is Semisulcopsira japonica gigas (Pilsbry & Habe ????) a synonym of libertina? For the following shells I'm looking for year of description or/and autor: Lithophaga kaikaiensis Autor ???? y???? Japan Astralium heimburgi Japan Murex dorothiae Japan Sinotaia quadrata (Benson ????) Taiwan Sinotaia quadrata histrica (GOULD ????) Japan Melanoides uniformis Quoy & Gaimard ???? Indonesia Unio biwae (Kobelt ????) Japan Potamocorbula amurensis SCHRENK ???? Japan Corbicula leana PRIME ???? Japan Semisulcospira libertina reiniana (BROT ????) Japan Semisulcospira libertina libertina (GOULD ????) Japan Semisulcospira decipiens (WESTERLUND ????) Japan Ceciloides goweanus (BOETTGER ????) Namibia Thank you very much Wolfgang Fischer Institut fuer Pflanzenbau u. Pflanzenzuechtung Universitaet fuer Bodenkultur Gregor Mendel Str. 33 1180 Wien AUSTRIA http://ipp.boku.ac.at/private/wf/index.html E-mail: [log in to unmask] Fax: ++43 1 47654-3342 Tel: ++43 1 47654-3307