1. Anne Blair Gould Science Communications, Delft, The Netherlands
2. Naturalis Biodiversity Center, Leiden, The Netherlands
3. Department of Geodynamics, Stratigraphy and Palaeontology (GEODESPAL), Universidad Complutense de Madrid, Madrid, Spain
4. Department of Sedimentary Geology and Environmental Change, Geosciences Institute (IGEO, CSIS-UCM), Madrid, Spain
5. Department of Paleobiology, Museo Nacional de Ciencias Naturales, CSIC, Madrid, Spain