1. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto; Rua dos Bragas 289 4050-123 Porto Portugal
2. IUCN SSC Mollusc Specialist Group; c/o 219 Huntingdon Road Cambridge CB3 0DL U.K.
3. Centre of Molecular and Environmental Biology (CMBA), University of Minho; Campus de Gualtar 4710-057 Braga Portugal
4. Aquatic Systems Biology Unit, Department of Ecology and Ecosystem Management; Technische Universität München; Mühlenweg 22 85350 Freising Germany
5. Aquatic Ecology Group, Department of Zoology; University of Cambridge; Downing Street Cambridge CB2 3EJ U.K.
6. Museo Nacional de Ciencias Naturales-CSIC; C/José Gutiérrez Abascal 2 28006 Madrid Spain
7. Water Unit, County Administration Board Jönköping; SE-551 86 Jönköping Sweden
8. Institute of Ecological Problems of the North of Ural Branch of Russian Academy of Sciences; 163000 Arkhangelsk Russia
9. MTA Centre for Ecological Research, Danube Research Institute; Jávorka S. u. 14 2131 Göd Hungary
10. Great Lakes Center, Buffalo State College; 1300 Elmwood Ave. Buffalo NY 14222 U.S.A.
11. Research Unit Palaeontology; Geological Institute, Universiteit Gent; Krijgslaan 281 (S8-B) B-9000 Gent Belgium
12. Department of Zoology and Fisheries; Faculty of Agrobiology Food and Natural Resources, Czech University of Life Sciences Prague; Kamycka 129 Prague CZ 165 Czech Republic
13. Department of Ecology and Environmental Conservation; University of Plovdiv; Tzar Assen Str. 24 BG-4000 Plovdiv Bulgaria
14. Consultants in Aquatic Ecology and Engineering (Technisches Büro für Gewässerökologie) - Blattfisch; Gabelsbergerstraße 7 4600 Wels Austria
15. Biology Department of Art and Science Faculty, Mehmet Akif Ersoy University; Burdur Turkey
16. 123, Rathdown Park, Greystones County Wicklow Ireland
17. Department of Zoology, Division of Biology; Faculty of Science, University of Zagreb; Rooseveltov trg 6 HR-10000 Zagreb Croatia
18. Norwegian Institute for Nature Research (NINA); PO Box 5685 Sluppen NO-7485 Trondheim Norway
19. CNR ISE - Institute of Ecosystem Study; Largo Tonolli 50 28922 Verbania Italy
20. Zoological Museum, Department of Biology; University of Athens; Athens Greece
21. Departamento de Zooloxía e A.F.; Fac. Veterinaria, Universidade de Santiago de Compostela (USC); 27002 Lugo Spain
22. Swedish museum of Natural History; PO Box 50007 SE-104 05 Stockholm Sweden
23. CRNFB - Centre de Recherche de la Nature, des Forêts et du Bois; Gembloux Belgium
24. Senckenberg Forschungsinstitut und Naturmuseum Frankfurt, Abteilung Marine Zoologie/Sektion Malakologie; Senckenberganlage 25 60325 Frankfurt/Main Germany
25. Institute for Biological Research ‘Sinisa Stankovic’, University of Belgrade; 142 Bulevar despota Stefana 11000 Belgrade Serbia
26. Equipe ‘Exploration de la Biodiversité’, USM 603/UMR 7138 ‘Systématique, Adaptation, Evolution’, Muséum National d'Histoire Naturelle; Case Postale 51, 55, Rue Buffon 75231 Paris Cedex 05 France
27. iotope; 22 Bd Maréchal Foch 34 140 Mèze France
28. Göteborg Natural History Museum, Invetebrate Zoology; Box 7283 402 35 Göteborg Sweden
29. Museum of Zoology, University of Latvia; Kronvalda Bulv. 4 Rīga LV-1586 Latvia
30. Museum of Geology, University of Latvia; Alberta 10 Rīga LV-1010 Latvia
31. Faculty of Marine Sciences and Technology, Mustafa Kemal University; 31200 İskenderun Hatay Turkey
32. Department of Hydroecology and Water Protection; Faculty of Science, Institute of Biology and Ecology, University of Kragujevac; 34000 Kragujevac Serbia
33. Department of Biological and Environmental Science; University of Jyväskylä; PO Box 35 (YAC-315.2) FI-40014 Jyväskylä Finland
34. CIMO - Mountain Research Centre, School of Agriculture, Polytechnic Institute of Bragança; Campus de Santa Apolónia, Apartado 1172 5301-854 Bragança Portugal
35. Natur & Ëmwelt/Fondation Hëllef fir d'Natur; Kierchestrooss 2 L-9753 Heinerscheid Luxembourg
36. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences; 2 Gagarin Str. Sofia 1113 Bulgaria
37. CITAB - Centre for Research and Technology of Agro-Environment and Biological Sciences; Forestry Department, University of Trás-os-Montes and Alto Douro; Apartado 1013 5001-811 Vila Real Portugal
38. Gewässerökologie Wasserschöpfi; 48 8055 Zurich Switzerland
39. Institute of Nature Conservation, Polish Academy of Sciences; 31-120 Kraków Mickiewicza 33 Poland
40. Hellenic Centre For Marine Research - Institute of Marine Biological Sciences and Inland Waters; 46, 7 km Athens-Sounio Anavissos Attiki Greece