1. Laboratoire de Paléontologie; Institut des Sciences de l'Evolution (UMR-CNRS 5554); Université de Montpellier; Place Eugène Bataillon F-34095 Montpellier France
2. School of Earth Sciences; University of Bristol; Bristol UK
3. Departamento de Paleobiología; Museo Nacional de Ciencias Naturales-CSIC; Madrid Spain
4. Department fur Geo- und Umweltwissenschaften; Ludwig-Maximilians-Universität; Munich Germany
5. ARAID-Fundación Conjunto Paleontológico de Teruel-Dinópolis; Teruel Spain
6. School of Earth & Environmental Sciences; University of Manchester; Manchester UK