Article: Hystrichospheres from the Silurian Wenlock Shale of England

Hystrichospheres from samples taken at a single locality and horizon in the Wenlock Shale of Wenlock Edge are described. The assemblage includes thirty-three species and varieties of Baltisphaeridium, Micrhystridium, Veryhachium, Cymatiosphaera, Pterospermopsis, Puhinosphaeridium, Leiofusa, Leiosphaeridia, and Tasmanites, of which fourteen are new. It most closely resembles an assemblage from the Wenlock of the Montague Noire.