id	keyword
gc-861	konkian
gc-861	beds
gc-861	deposits
gc-861	species
gc-861	eastern
gc-861	ukraine
gc-861	assemblages
gc-861	russian
gc-861	molluscs
gc-861	black
gc-861	shells
gc-861	peninsula
gc-861	sea
gc-861	region
gc-861	foraminifera
gc-861	paratethys
gc-861	miocene
gc-861	vernyhorova
gc-861	wells
gc-861	ervilia
gc-861	euryhaline
gc-861	kerch