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. Deep-sea benthic foraminifera provide important markers ofenvironmental conditions in the deep-ocean basins where their assemblagecomposition and test chemistry are influenced by ambient physical andchemical conditions in bottom-water masses. However, all foraminiferalstudies must be underpinned by robust taxonomic approaches. Although manyparts of the worldu0027s oceans have been examined, over a range of geologicaltimescales, the Neogene benthic foraminifera from the southern Indian Oceanhave only been recorded from a few isolated sites. In this study, we haveexamined 97 samples from Neogene sediments recovered from three ODP sites inthe southern Indian Ocean (Sites 752, Broken Ridge; 1139, Kerguelan Plateau; 1168,west Tasmania). These data cover a range of palaeolatitudes and water depthsduring the Miocene. More than 200 species of benthic foraminifera wererecorded at each site and, despite their geographic and bathymetricseparation, the most abundant taxa were similar at all three sites. Many ofthese species range from late Oligocene to early Pliocenedemonstrating relatively little faunal turnover of the most abundant taxaduring the key palaeoclimatic shifts of the Miocene. We illustrate anddocument the occurrence of the 52 most abundant species (i.e. those with u003e1  % abundance) encountered across the three study sites.

Latest Oligocene to earliest Pliocene deep-sea benthic foraminifera from Ocean Drilling Program (ODP) Sites 752, 1168 and 1139, southern Indian Ocean