Stevens, 1987
From dinoflaj3
Stevens, J., 1987: Some Early Cretaceous dinoflagellates from the Cassiculosphaeridia delicata Zone on the Exmouth Plateau, Western Australia. In: Jell, P.A. (editor), Studies in Australian Mesozoic palynology; Memoir of the Association of Australasian Palaeontologists, no.4, p.185-197.