id	keyword
esrj-21210	formation
esrj-21210	qom
esrj-21210	view
esrj-21210	echinoderms
esrj-21210	central
esrj-21210	iran
esrj-21210	burdigalian
esrj-21210	member
esrj-21210	pages
esrj-21210	cotteau
esrj-21210	sea
esrj-21210	distribution
esrj-21210	clypeaster
esrj-21210	des
esrj-21210	miocene
esrj-21210	material
esrj-21210	samples
esrj-21210	genus
esrj-21210	study
esrj-21210	vol
esrj-21210	oligocene