@inbook{WoRMS:SourceID:39707, author = {Gray, J. E.}, note = {CLEMAM P0643}, title = {List of the Specimens of British Animals in the Collection of the British Museum. Part VII, Molluscas Acephala and Brachiopoda. London, Taylor, 167 pp.}, url = {https://www.biodiversitylibrary.org/page/50474169}, year = {1851} }