Foraminiferal distribution within the Bering Sea is related to the physiography of the adjacent land mass, to sea floor topography, sediment type and oceanography. Deltaic, transitional, inner shelf, central shelf, outer shelf and upper bathyal biotopes are recognized. Arenaceous Foraminifera are extremely abundant throughout the region, whereas porcelaneous types are very rare. Few planktonic forms occur and these are at the deeper stations. Water mass is of prime importance to the distribution of Foraminifera in the Bering Sea. A few tests of Elphidium oregonense are covered with a thin arenaceous layer over the normal calcareous test. The new generic name Asterellina is proposed.

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