[1] European Synchrotron Radiat Facil, Xray Imaging Grp, F-38000 Grenoble, France
[2] Univ Rennes 1, Univ Rennes, CNRS, UMR 6118, F-35042 Rennes, France
[3] Univ New S Wales, Sch Biol Earth & Environm Sci, Sydney, NSW 2052, Australia
[4] Lebanese Univ, Fanar Matn, Lebanon
[5] Museum Natl Hist Nat, CNRS, UMR 7205, F-75231 Paris, France
[6] Univ Barcelona, Fac Geol, Barcelona 08024, Spain
[7] Univ Sydney, Australian Key Ctr Microscopy & Microanal, Sydney, NSW 2006, Australia
[8] Univ Kansas, Lawrence, KS 66045 USA
[9] Steinmann Inst Geol Mineral & Palaontol, D-53115 Bonn, Germany
[10] Senckenberg Forschungsinst, D-60325 Frankfurt, Germany
[11] Natl Museum, D-60325 Frankfurt, Germany