TY JOUR TI Fusulinids of the Khan formation Kalmard region, eastern Iran and some problems of their paleobiogeography KW Permian KW fusulinids KW stratigraphy KW biogeography KW Iran. JO Russian Journal of Earth Sciences AU Leven, E.J. AU Gorgij, M.N. PY 2007 IS 9 PB Geophysical Center of the Russian Academy of Sciences