jointly sponsored by the Palaeontological Association, the Royal Society, and the Linnean Society ; edited by M.J. Benton ; charts produced by Rachael J. Walker
jointly sponsored by the Liverpool Geological Society and the Palaeontological Association, and held in the University of Glasgow on 24th-25th September 1982 as part of the meeting of the geological societies of Great Britain ; edited by P.J. Brenchley
edited by David M. Martill, Darren Naish ; technical editing by David J. Batten ; photography by Robert Loveridge ; computer generated artwork by Stig Walsh