Davey, R.J., Downie, C., Sarjeant, W.A.S. and Williams, G.L.,
1966
VII. Fossil dinoflagellate cysts attributed to Baltisphaeridium.
In: Davey, R.J., Downie, C., Sarjeant, W.A.S. and Williams, G.L., Studies on Mesozoic and Cainozoic dinoflagellate cysts; British Museum (Natural History) Geology, Bulletin, Supplement 3, p.157-175.