Species list does not include G. menardii and G. tumida. These species were counted, but are not included in this analysis of the data.Core-top foram data (26 species) used to calibrate equation. Species list does not include G. menardii and G. tumida. These species were counted, but are not included in this analysis of the data. Data are percentages, closed on 26 spp. SST's are atlas values (mean annual sea surface temperature from Levitus,S., 1982, Climatological atlas of the World Ocean, NOAA Prof. Paper 13, 1-173, U.S. Govt. Printing Office, Washington, DC.) at sea surface in the 1-degree grid square overlying the core location.