Hughesius singularis

Ericsonia? singularis Perch-Nielsen 1971c

Clausicoccus singularis (Perch-Nielsen 1971c) Prins, 1979

Clausibella singularis (Perch-Nielsen 1971c) Aubry in Aubry & Bord, 2009

Species of Hughesius larger than 6.0µm, with a central area bearing large pores arranged in two complete concentric cycles.

Aubry, M. -P. & Bord, D. 2009. Reshuffling the cards in the photic zone at the Eocene/Oligocene boundary. In: Koeberl, C., Montanari, A. (eds), The Late Eocene Earth-Hothouse, Icehouse, and Impacts. Geological Society of America, Special Papers 452: 279-301.

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

Prins, B. 1979. Notes on nannology 1. Clausicoccus, a new genus of fossil Coccolithophorids. INA Newsletter 1: N2-N4.

de Kaenel, E. & Londeix, L. 2014. Données nouvelles sur la nannoflore de l’Aquitanien stratotypique. In: Londeix, L. (Ed.) Stratotype Aquitanien. Collection Patrimoine géologique, Muséum national d’Histoire naturelle, Paris. 5: 261-267.