Downie, 1958
From dinoflaj2
Downie, C., 1958: An assemblage of microplankton from the Shineton Shales (Tremadocian). Proceedings of the Yorkshire Geological Society, v.31, no.12, p.331-349, pl.16-17.
Downie, C., 1958: An assemblage of microplankton from the Shineton Shales (Tremadocian). Proceedings of the Yorkshire Geological Society, v.31, no.12, p.331-349, pl.16-17.
