Table T5. Identification and abundance of radiolarians observed at Site 1121.
Core, section,
interval (cm) Depth
(mbsf)Radiolarian zone
Preservation
Group abundance
Amphipyndax stocki
Amphisphaera coronata s.l.
Amphisphaera goruna
Amphisphaera kina
Amphisphaera sp.
Antarctissa denticulata
Antarctissa strelkovi
Axoprunum angelinum
Axoprunum sp.
Bathropyramis sanjoaquinensis s.l.
Buryella foremanae
Buryella granulata
Buryella sp.
Buryella cf. tetradica (3 segments)
Buryella tetradica (4 segments)
Clathrocyclas australis
Cornutella californica
Corythomelissa adunca
Cycladophora pliocenica
Cyrtocapsa campi
Dictyomitra andersoni
Dictyomitra multicostata
Dictyophimus sp.
Dorcadospyris aff. confluens
Euchitonia sp.
Eucyrtidium calvertense
Lithelius nautiloides
Lithomelissa? aitai
Lithomespilus coronatus
Microsciadiacapsa sp.
Myllocercion acineton
Phorticium clevei
Prunopyle antarctica
Pterocodon sp.
Rhopalocanium aff. ornatum
Siphocampe altamontensis
Sphaeropyle sp.
Spongodiscus osculosus
Spongodiscus sp.
Spongoplegma antarcticum
Spongotrochus glacialis
Triceraspyris antarctica
181-1121A-
1H-1, 0-2
VG
A
R
R
T
A
R
C
R
T
R
R
F
C
A
C
R
1H-CC, 22-27
8.32
B
181-1121B-
1H-CC, 1-3
9.71
G
T
R
1H-CC, 6-8
9.76
B
1H-CC, 11-22
9.81
P
T
2H-CC, 12-17
19.38
P
R
R
R
T
3H-CC, 10-15
28.78
P
R
R
R
R
R
F
R
4X-CC, 23-28
23.23
G
T
T
5X-CC, 22-27
23.72
B
6X-2, 60-65
34.8
RP6
VG
A
R
A
F
A
T
R
F
C
R
F
F
F
R
C
R
A
6X-CC, 17-27
37.18
RP6
VG
A
R
A
C
F
F
C
R
C
T
F
F
R
R
C
F
C
C
R
A
7X-CC, 13-23
50.55
RP6
M
A
R
A
F
C
A
C
T
R
R
A
C
A
8X-CC, 11-21
60.96
RP6
M
A
C
A
R
C
R
C
C
R
T
C
R
F
C
9X-CC, 15-25
71.18
RP6
G
A
R
R
F
A
R
R
R
R
R
F
R
C
F
A
10X-CC, 0-10
76.98
RP6
VG
A
R
C
C
C
F
R
R
A
A
F
R
R
R
C
R
F
A
11X-CC, 0-10
87.12
RP6
VG
A
C
F
F
C
C
R
R
F
A
R
A
12X-CC, 5-10
94.26
M
R
R
C
R
13X-CC, 34-39
100.44
M
R
R
14X-CC, 51-56
110.21
P
T
R
15X-CC, 24-29
122.28
RP5
M
C
R
C
R
R
R
R
R
C
16X-CC, 0-10
127.2
RP4
P
C
R
F
C
R
R
T
R
C
17X-CC, 25-30
134.42
RP4
P
F
C
F
F
R
R
C
Note: Preservation: VG = very good, G = good, M = moderate, and P = poor; abundance of radiolarians: A = abundant, C = common, F = few, R = rare, T = trace, and B = barren.