Rhabdosphaera herculesii

Rhabdosphaera herculea Stradner, 1969

Rhabdolithus solus Perch-Nielsen, 1971

Blackites herculesii (Stradner, 1969) Bybell & Self-Trail, 1997

Bybell, L. & Self-Trail, J., (1997): Late Paleocene and Early Eocene calcareous nannofossils from three boreholes in an onshore-offshore transect from New Jersey to the Atlantic continental rise. - Proceedings of the Ocean Drilling Program, Scientific Results. 150: 91-110.

Perch-Nielsen, K., (1971): Elektronenmikroskopische untersuchungen an Coccolithen und verwandten Formen aus dem Eozan von Danemark. - Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 18(3): 1-76.

Stradner, H., (1969): The nannofossil of the Eocene Flysch in the Hagembach Valley (Northern Vienna woods), Austria. Rocznik Polskie Towarzystwo Geologiczne - Annales de la Société Géologique de Pologne. 39: 403-432.