[1
]Department of BiogeographyTrier University, Trier Centre for Biodiversity Conservation
Trier D‐54286 Germany
[2
]Department of BiogeographyIUCN SSC Invertebrate Conservation Committee, c/o Trier
University Trier D‐54286 Germany
[3
]IUCN SSC Species Monitoring Specialist Groupc/o IUCN Gland 1196 Switzerland
[4
]Department of Conservation Ecology and EntomologyStellenbosch University Stellenbosch
7602 South Africa
[5
]Peterhouse Cambridge CB2 1RD U.K.
[6
]Institute of ZoologyZoological Society of London Regent's Park London NW1 4RY U.K.
[7
]Natural History Museum London SW7 5BD U.K.
[8
]Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural
History (LUOMUS)University of Helsinki Helsinki 00100 Finland
[9
]CE3C – Centre for EcologyEvolution and Environmental Changes/Azorean Biodiversity
Group and Universidade dos Açores Angra do Heroísmo 9700‐042 Portugal
[10
]Department of BiologyNorthern Michigan University Marquette MI 49855 U.S.A.
[11
]Science & Economic Knowledge UnitIUCN Gland 1196 Switzerland
[12
]Ecosystem Management Group, Department of Environmental Systems ScienceETH Zürich
Zürich 8092 Switzerland
[13
]IUCN SSC Mollusc Specialist Group Exbourne Okehampton EX20 3RD U.K.
[14
]Senckenberg Research Institute Görlitz 02826 Germany
[15
]Negaunee Institute for Plant Conservation and Action Chicago Botanic Garden Glencoe
IL 60022 U.S.A.
[16
]Zoological Society of London London NW1 4RY U.K.
[17
]South African National Biodiversity Institute Pretoria 0001 South Africa
[18
]Naturalis Biodiversity Center Leiden 2332 AA The Netherlands