Schreck and Matthiessen, 2014
From dinoflaj3
Schreck, M. and Matthiessen, J., 2014: Batiacasphaera bergenensis and Lavradosphaera elongata -- new dinoflagellate cyst and acritarch species from the Miocene of the Iceland Sea (ODP Hole 907A). Review of Palaeobotany and Palynology, v.211, p.97-106, pl.1-2.