Middle Pleistocene to Holocene benthic foraminifera has been quantitatively identified (>125 µm size fraction) from the IODP core 375-U1526B in the Southwest Pacific. The core was drilled at 2888 m below sea level on the western flank of the Tūranganui Knoll Seamount, along the Hikurangi Subduction Margin, offshore the North Island of New Zealand. The benthic foraminiferal assemblages were used as proxies for bottom water conditions and sediment provenance. The core was analysed over 0.1-26.16 m (CSF-A), dated from 1-1304 ka. 143 sediment samples were analysed for benthic foraminifera, and 182 taxa were identified (species or genus), including taxa which became extinct during the Mid Pleistocene deep sea benthic foraminiferal extinction event. A light microscope (Olympus Ltd, SZX10 [x400 magnification]) was used for the identifications.