1. Department of Earth Sciences University of Oxford Oxford OX1 3AN UK
2. School of Geography, Earth & Environmental Sciences University of Birmingham Edgbaston B15 2TT UK
3. Department of Earth Sciences The Natural History Museum London SW7 5BD UK
4. Department of Natural Sciences National Museum of Scotland Old Town, Chambers Street Edinburgh EH1 1JF UK
5. School of Earth Sciences University of Bristol Wills Memorial Building, Queen's Road Bristol BS8 1RJ UK
6. Institute of Biodiversity, Animal Health & Comparative Medicine College of Medical, Veterinary & Life Sciences University of Glasgow University Avenue Glasgow G12 8QQ UK
7. SNSB Bayerische Staatssammlung für Paläontologie und Geologie Munich Germany
8. Museum of Paleontology & Department of Earth & Environmental Sciences University of Michigan Ann Arbor MI 48109‐1079 USA