Hayella situliformis Gartner, 1969
Nannocorbis Müller, 1974
Gartner, S., (1969a): Two new calcareous nannofossils from the Gulf Coast Eocene. - Micropaleontology. 15(1): 31-34.
Gartner, S., (1969b): Hayella Roth and Hayella Gartner. - Micropaleontology. 15: 490-490.
Müller, C., (1974): Calcareous nannoplankton, Leg 25 (Western Indian Ocean). - Initial Reports of the Deep Sea Drilling Project. 25: 579-633.