Keywords: 120-748B; Actinocyclus actinochilus; Actinocyclus fasciculatus; Actinocyclus ingens; Actinocyclus ingens var. irregularis; Actinocyclus karstenii; Actinocyclus maccollumii; Actinocyclus sp.; Asteromphalus hookeri; Asteromphalus hyalinus; Asteromphalus kennettii; Asteromphalus parvulus; Azpeitia tabularis; Chaetoceros bulbosum; Chaetoceros sp.; Corethron criophilum; Coscinodiscus marginatus; Dactyliozolen antarcticus; Denticulopsis dimorpha; Denticulopsis hustedtii; Denticulopsis hustedtii var. ovata; DEPTH, sediment/rock; Diatom zone; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Epoch; Ethmodiscus spp. fragments; Eucampia antarctica; Hemidiscus karstenii; Joides Resolution; Leg120; Navicula wisei; Nitzschia aurica; Nitzschia barronii; Nitzschia clementia; Nitzschia curta; Nitzschia efferans; Nitzschia fossilis; Nitzschia interfrigidaria; Nitzschia kerguelensis; Nitzschia praeinterfrigidaria; Nitzschia reinholdii; Nitzschia ritscherii; Nitzschia separanda; Ocean Drilling Program; ODP; Proboscia alata; Rhizosolenia costata; Rhizosolenia hebetata group; Rhizosolenia sp.; Rhizosolenia styliformis; Rocella gelida; Rouxia antarctica; Rouxia diploneides; Rouxia heteropolara; Rouxia isopolica; Rouxia naviculoides; Sample code/label; Simonseniella barboi; South Indian Ridge, South Indian Ocean; Stellarima spp.; Stephanopyxis turris; Synedra sp.; Thalassionema nitzschioides; Thalassionema nitzschioides var. parva; Thalassiosira antarctica; Thalassiosira complicata; Thalassiosira elliptipora; Thalassiosira gracilis; Thalassiosira insigna; Thalassiosira inura; Thalassiosira jacksonii; Thalassiosira kolbei; Thalassiosira lentiginosa; Thalassiosira oestrupii; Thalassiosira oliverana; Thalassiosira sp.; Thalassiosira striata; Thalassiosira torokina; Thalassiosira tumida; Thalassiosira vulnifica; Thalassiosira webbii; Thalassiothrix longissima