Triquetrorhabdulus Martini, 1965
Lipps, J. H., (1969): Triquetrorhabdulus and similar calcareous nannoplankton. - Journal of Paleontology. 43(4): 1029-1032.
Martini, E., (1965): Mid-Tertiary calcareous nannoplankton from Pacific deep-sea cores. - Colston Papers. 17: 393-411.