@article{RAS:SourceID:169036, author = {Clark, H. L.}, journal = {Oxford University Press, London}, note = {from Kier & Lawson (1978)}, title = {A Catalogue of the Recent Sea-Urchins (Echinoidea) in the Collection of the British Museum (Natural History)}, url = {http://www.biodiversitylibrary.org/ia/catalogueofrec00brit#7}, volume = {250}, year = {1925} }