A great number of the Cenozoic echinoid fossils were found from the Duho Formation of the Pohang Basin,Korea.Most of the echinoid fossils,ranging from 2-8 cm in diameter,were preserved as flattened or crushed specimen...A great number of the Cenozoic echinoid fossils were found from the Duho Formation of the Pohang Basin,Korea.Most of the echinoid fossils,ranging from 2-8 cm in diameter,were preserved as flattened or crushed specimens.However,each side(oral or aboral) containing diagnostic features is well preserved in the flattened specimens.Korean echinoid fossils belonging to the order Spatangoida,a group展开更多
文摘A great number of the Cenozoic echinoid fossils were found from the Duho Formation of the Pohang Basin,Korea.Most of the echinoid fossils,ranging from 2-8 cm in diameter,were preserved as flattened or crushed specimens.However,each side(oral or aboral) containing diagnostic features is well preserved in the flattened specimens.Korean echinoid fossils belonging to the order Spatangoida,a group
