1
2
3
4
5
6
7
8
9
10
11
12
13
14
Cruciplacolithus tarquinius Roth & Hay in Hay et al., 1967
Cruciplacolithus nebulosus Shamrock & Watkins, 2012
Coccolithus hulliae Bown & Newsam 2017
Pletolithus hulliae (Bown & Newsam 2017) Young 2023
Hay, W. W., Mohler, H. P., Roth, P. H., Schmidt, R. R. & Boudreaux, J. E. 1967. Calcareous nannoplankton zonation of the Cenozoic of the Gulf Coast and Caribbean-Antillean area, and transoceanic correlation. - Transactions of the Gulf-Coast Association of Geological Societies 17: 428-480.
Shamrock, J. L., Watkins, D. K., 2012. Eocene calcareous nannofossil biostratigraphy and community structure from Exmouth Plateau, Eastern Indian Ocean (ODP Site 762). Stratigraphy 9(1), 1-11
Cruciplacolithus tarquinius
Roth & Hay in Hay et al., 1967
Oligocene
JOIDES, Hole 5, Blake Plateau, Atlantic Ocean