Author Affiliations +
ROYAL H. MAPES,1 SHUJI NIKO,2 JIRI FRYDA,3 ALEX NÜTZEL4
1Department of Geological Sciences, Ohio University, Athens 45701, < > mapes@ohio.edu
2Department of Environmental Studies, Hiroshima University, Hiroshima 739-8521, Japan, < > niko@hiroshima-u.ac.jp
3Czech Geological Survey, Klárov 3/131, 118 21 Prague 1, Czech Republic, < > bellerophon@seznam.cz
4Institut für Paläontologie, Universität Erlangen, Loewenichstr. 28, D-91054 Erlangen, Germany, < > nuetzel@pal.uni-erlangen.de