1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Discolithus distinctus Bramlette & Sullivan, 1961
Pontosphaera megapachydisca Steurbaut, 2011
Calculated Length: 17.5μm
Bramlette, M. N. & Sullivan, F. R. 1961. Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology 7(2): 129-188.
Roth, P. H. & Thierstein, H. R. 1972. Calcareous nannoplankton: Leg 14 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 12: 546-559.
Steurbaut, E. 2011. New calcareous nannofossil taxa from the Ypresian (Early Eocene) of the North Sea Basin and the Turan Platform in West Kazakhstan. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique Sciences de la Terre. 81: 247-277.
Discolithus distinctus
Bramlette & Sullivan, 1961
Middle Eocene
Lodo section, northwestern Fresno County, central California, USA