The Cretaceous Echinoid Boletechinus, with Notes on the Phylogeny of the Glyphocyphidae and Temnopleuridae

by A. W. Owen, D. N. Lewis, I. Strachan, J. J. Hooker, Michael Kingsley Howarth, P. E. S. Whalley, P. M. P. Zaborski · 1985