Table T2. Abundance data for all early Oligocene-aged radiolarians, Hole 1138A.
Actinommidae Pyloniidae
Subepoch
Core, section, interval (cm)
Depth
(mbsf)
Abundance
Preservation
Amphisphaera sp. A
Amphistylus? sp. A
Amphistylus angelinus
Stylatractus sp. A
Stylatractus sp. B
Stylosphaera radiosa gr.
Stylosphaera sp. A gr.
Hexacontium sp. A
Hexacontium sp. B
Axoprunum bispiculum
Axoprunum pierinae
Axoprunum irregularis
Actinomma henningsmoeni
Actinomma holtedahli
Drymyomma? elegans gr.
Cenosphaera sp. A gr.
Pylonid sp. 1
Pylonid sp. 2
Pylonid sp. 3
Pylonid sp. 4
Pylonid sp. 5
Pylonid sp. 6
Pylonid sp. 7

183-1138A-

























early Oligocene 34R-1, 103-105 315.14 A G
5 2

3 1 1 9 8 1 2 1 3 3 40 63



7 12

34R-2, 23-25 315.84 A G 6 6


22 3 6


1

1
23



4 14

34R-2, 101-103 316.62 A G
15


13
25



9

11 23




7

34R-3, 20-22 317.31 A M

1 29
19




1 22
10 42 44 8 27




34R-3, 105-107 318.16 A G
2 4 17
13
34


2 20
7 30 19

3 9


35R-1, 24-026 323.95 R P
4 5
8 22




21 9

8 24


12


35R-1, 103-105 324.74 R P 6





1
7 7 2 3 2 14 19 22




12

35R-1, 140-142 325.11 C-R P










3

3
8




9

35R-2, 24-26 325.45 A-C G
4


13




28 3 7 3 21 16



1

35R-2, 105-107 326.26 C G




6




2 2

7 20

12



35R-3, 23-025 326.94 C-R P
17 1 4
15








27 22

12



35R-3, 101-103 327.72 R M




14




1
2
9 2






35R-4, 20-022 328.41 C P 11 19 1

26


6 6 1 22
7 22 16

12



35R-4, 104-106 329.25 C M
45 3
3





3 26
4 54 32
22 27

4

35R-5, 20-022 329.91 C P 8 26 2
12 28









24
2


27

35R-5, 51-53 330.22 R P
3








3


2







36R-1, 0-2 333.01 R P



2


















36R-1, 10-12 333.11 R P 3

4 17 7

















36R-1, 20-22 333.21 R P


3



















36R-1, 31-33 333.32 R P


3
6









1






36R-1, 41-43 333.42 R P




1
















Notes: Abundance: R = Rare, C = Common, A = Abundant. Preservation: P = Poor, M = Moderate, G = Good. * = indeterminate species of nassellaria.