Early Miocene (3)
Discoaster (12)
Sphenolithus (20)
Helicosphaera (14)
Micrantholithus bramlettei Deflandre in Deflandre & Fert, 1954
Description: Stellate pentalith with pointed rays and double indented sides.
Remarks:
Neogene: Micrantholithus
Paleogene: Micrantholithus bramlettei