1930  Bisat, p.28: At Wiswell, a small village 2.5 mi S of Clitheroe, Lancs., bank of Light Clough, in a section close to a footpath which leads from Wiswell Moor Side to Wiswell Eaves Farm. In E bank of stream: Band with Cravenoceras leion within  calcareous shales with poorly preserved Eurmorphoceras pseudobilingue. "Cravenoceras leion occurs associated with Eumorphoceras pseudobilingue".