Description: Small to medium sized spinose holococcolith comprising a rim and central process; the spine is short and broad (the coccoliths are typically wider than high), has a notch just above the height of the rim, and a rather broad axial canal.
Remarks:
Range: NP10 to NP15b.
Neogene: Zygrhablithus; Zygrhablithus bijugatus
Paleogene: Zygrhablithus bijugatus nolfi