Bucefalo Palliani and Mattioli, 1995
From dinoflaj3
Bucefalo Palliani, R. and Mattioli, E., 1995: Ecology of dinoflagellate cysts and calcareous nannofossils from bituminous facies of the Early Toarcian, central Italy. Europal, European Palaeontological Association Newsletter, no.8, p.60-62