Author	Downie, C.
Year	1959
Journal	Palaeontology, v.2, no.1, p.56-71, pl.10-12.
Title	Hystrichospheres from the Silurian Wenlock Shale of England

Abstract Hystrichospheres from the Silurian Wenlock Shale of England; Palaeontology, v.2, no.1, p.56-71, pl.10-12.