Table T1. Radiolarians, Hole 1128C.
Subepoch
Radiolarian
zone
Core, section, interval (cm)
Depth (mbsf)
Radiolarian abundance
Radiolarian preservation
Sponge spicules
Diatoms
Total number of radiolarians
Albatrossidium sp.
Amphisphaera minor
Amphymenium splendiarmatum
Aphetocyrtis rossi
Axoprunum pierinae group
Botryocella cribrosa group
Botryostrobus cf. B. hollisi
Botryostrobus joides
Carpocanistrum spp.
? Cyrtocapsa osculum
Cyrtolagena laguncula
Dictyoprora urceolus
? Eucyrtidium spinosum
Heliodiscus inca
Hexacontium sp. A
? Lithelius nautiloides
Lophocyrtis biaurita
Lophocyrtis (Paralampterium) dumitricai
Periphaena decora
Periphaena heliastericus
Plannapus ? aitai
Plannapus microcephalus
Prunopyle hayesi
Siphocampe acephala group
Siphocampe nodosaria
Spongurus bilobatus
Stylodictya targaeformis
Theocorys cf. T. bianulus
early Oligocene Eucyrtidium spinosum-Axoprunum ? irregularis 182-1128C-                                                                    
10H-2, 70-72 86.20 VR M A C 235 — P — — — — — — P — — — — P — — p — — P P — — P — — —
13H-2, 130-132 115.30 R M A F 680 P P — — P — — — — P — P — P — P — P — P P P — P — — P —
14H-5, 85-87 128.85 R M A trace 670 — P — — — — — — — — — — — — P — — — — — P — — P — — — —
16X-1, 40-42 138.70 F M A F 1685 — P — — — — — — P — — P — P — — — P P — P — — P P — — —
17X-2, 70-72 148.30 C M A F 4865 P P — P P P — — P — — P — —
— P P — P P P — P P — P —
18X-1, 60-62 156.30 F M A F 2675 P P P P P P — P P — — P — — P — — P P P P P P P P — P P
20X-4, 55-57 179.95 F M A C 1050 P P — P P P — — P — P — — — P — — P P — P P — P — — P —
22X-7, 20-22 201.30 C G A C 3570 — P — — P — P — P — — P — — — — P P — P P — — P P — P P
24X-4, 50-52 216.30 F G A C 2484 P P — P P P P — P — — P P — P — — P P — P — — P P — P —
26X-4, 110-112 236.10 F G A A 1905 — P — P P P P P P — — P P — P P — P P P P — P P P P P —

Notes: Radiolarian abundance: A = abundant, C = common, F = few, R = rare, VR = very rare. Radiolarian preservation: M = medium, G = good. Individual taxa abundance: P = present, — = absent. See "Materials and Methods" for definitions of abundance and preservation designations.