Table T2. List of middle Miocene-uppermost lower Pliocene dinoflagellate cyst biohorizons and acme events, Hole 1151A.
Datum
Core, section, interval (cm)
Depth (mbsf)
  186-1151A-  
LO Operculodinium centrocarpum sensu Wall and Dale, 1966 16R-1, 45-48/26R-1, 44-46 209.35/305.74
HO (possible) Capillicysta fusca 26R-1, 44-46/31R-1, 45-48 305.74/354.05
LO Spiniferites asperulus 35R-3, 45-48/ 41R-1, 45-47 395.55/449.95
HO (possible) Melitasphaeridium choanophorum 35R-3, 45-48/ 41R-1, 45-47 395.55/449.95
Acme Impagidinium patulum 51R-3, 45-48 549.15
LCO Brigantedinium spp. 51R-3, 45-48/57R-1, 43-46 549.15/603.93
Acme Tuberculodinium vancampoae 57R-1, 43-46 603.93
Acme Impagidinium patulum 62R-1, 45-48 652.05
HO (possible) Operculodinium giganteum 62R-1, 45-48/ 73R-1, 45-48 652.05/757.75
HO (possible) Heteraulacacysta campanula 73R-1, 45-48/ 77R-3, 45-48 757.75/799.15
HO (possible) Spiniferites ellipsoideus 73R-1, 45-48/ 77R-3, 45-48 757.75/799.15
LCO Xandarodinium sp. A 78R-3, 45-48/ 79R-1, 45-48 808.85/815.45
HO Achomosphaera spongiosa and Impagidinium cornutum 79R-1, 45-48/ 80R-3, 44-48 815.45/829.04
Acme interval Filisphaera filifera 77R-3, 45-48 through 84R-3, 48-52 799.15-866.58
LO (possible) Spiniferites firmus 87R-3, 45-48/ 91R-1, 45-48 895.35/930.85
HO Spiniferites hexatypicus 91R-1, 45-48/ 93R-1, 45-48 930.85/950.15
Acme Filisphaera filifera and Tuberculodinium vancampoae 93R-1, 45-48 950.15
LO (possible) Melitasphaeridium choanophorum 95R-1, 45-48/ 96R-3, 46-50 969.35/982.06
HO Cleistosphaeridium placacanthum 98R-3, 26-27/100R-3, 17-18 1001.06/1020.17
Acme Spiniferites adnatus 100R-3, 17-18 1020.17
— (hiatus)—
HO Diphyes latiusculum, Pyxidinopsis sp. B, and Pyxidinopsis sp. C 101R-1, 32-33/102R-1, 44-47 1026.92/1036.64
HCO Dinocyst B 105R-1, 45-48/106R-1, 45-48 1065.75/1075.45
LO Dinocyst B 108R-1, 38-39/108R-3, 15-16 1094.68/1097.45
Acme Hystrichokolpoma rigaudiae 108R-1, 38-39 1094.68
HO (possible) Evittosphaerula sp. 108R-3, 15-16/109R-1, 45-47 1097.45/1101.35

Note: LO = lowest occurrence, HO = highest occurrence, LCO = lowest common occurrence, HCO = highest common occurrence.