The following organisations have contributed specimen data and images to the database (NB some datasets have not yet been added to the database, these are marked with *. They will be added as soon as they are available):
- Amgueddfa Cymru – National Museum Wales
- Bristol Museum & Art Gallery
- California Academy of Sciences
- D’Arcy Thomson Zoology Museum, University of Dundee Museum Services
- Glasgow Museums
- Grosvenor Museum, West Cheshire Museums
- Hunterian Museum and Art Gallery
- King’s College London Museum of Life Sciences
- Manchester Museum, University of Manchester
- Museum of Comparative Zoology Harvard University
- National Museums Liverpool
- National Museum of Ireland – Natural History
- National Museums Scotland
- Natural History Museum, London
- Oxford University Museum of Natural History
- Perth & Kinross Museums and Galleries
- Renfrewshire Museums
- Royal Albert Memorial Museum & Art Gallery
- Royal Botanic Gardens, Kew
- Royal Museums Greenwich
- Science Museum, London
- The Grant Museum of Zoology and Comparative Anatomy UCL
- University Museum of Zoology, Cambridge
- University of Leeds
- Worcester City Art Gallery and Museum
- Yale Peabody Museum of Natural History
There are also other organisations known to have specimens and archives that are not included in this site.