16
4
November
651
663
KIER, P. M. 1973. A new Silurian echinoid genus from Scotland. Palaeontology, 16, 4, 651–663.
Porter M. Kier A new genus and species of echinoid, Aptilechinus caledonensis, is described from the Silurian (Llandovery) of Scotland. This species, the sixth known from the Silurian, is a flexible echinoid belonging to the family Lepido-centridae. It is unusual in having its largest spines attached to the ambulacra. The Palaeontological Association (Free Access)