Early Miocene (3)
Discoaster (12)
Sphenolithus (20)
Helicosphaera (14)
Micrantholithus hebecuspis Bown, 2005
Description: Large Micrantholithus with deeply indented sides and blunt, flat-ended apices.
Remarks:
Holotype: Paratype:
Neogene: Micrantholithus
Paleogene: Micrantholithus hebecuspis