Downie, 1959
From dinoflaj3
Revision as of 18:56, 6 December 2016 by Maintenance script (Talk | contribs)
Downie, C., 1959: Hystrichospheres from the Silurian Wenlock Shale of England. Palaeontology, v.2, no.1, p.56-71, pl.10-12. (Cover date October 1959.)