Thomsen, H. A.; Cros, L.; Malinverno, E.; Østergaard, J. B.; Cortés, M. Y.; Geisen, M.; Young, J. R. (2016). Formonsella pyramidosa (Haptophyta, Papposphaeraceae): a new weakly calcified coccolithophore genus from warm-water regions. Journal of Micropalaeontology. 35(2): 125-132.