Roncaglia and Schiøler, 1999
From dinoflaj3
Roncaglia, L. and Schiøler, P., 1999: Alterbidinium austrinum Roncaglia et Schiøler, sp. nov., a new dinoflagellate from the Conway Siltstone (Upper Cretaceous), southern Marlborough, New Zealand. Review of Palaeobotany and Palynology, v.106, p.121-129, pl.1-2.