Lewis, D. N. 1986. The Cretaceous echinoid Boletechinus, with notes on the phylogeny of the Glyphocyphidae and Temnopleuridae. Bulletin of the British Museum (Natural History), Geology Series 40, 59-90.
175957
Lewis, D. N.
1986
The Cretaceous echinoid Boletechinus, with notes on the phylogeny of the Glyphocyphidae and Temnopleuridae
Bulletin of the British Museum (Natural History), Geology Series